Use these casting numbers to identify the block you have.
| Casting Number | Years | CID | Comments |
| 330817 | 70-80 | 400 | Car & Truck 2 & 4-bolt 3-freeze plugs |
| 355909 | 75-79 | 262/305 | car & Truck 2-bolt |
| 360851 | 75-76 | 262 | 2-bolt |
| 361979 | 76-79 | 305 | car & Truck 2-bolt |
| 366245 | 78-82 | 350 | Bowtie High tin 4-bolt |
| 366286 | 82 | 350 | Bowtie aluminum 4-bolt siamesed |
| 366287 | 82 | 350 | Bowtie aluminum 4-bolt siamesed |
| 366299 | 82 | 350 | Bowtie aluminum 4-bolt |
| 389257 | 67 | 302 | 2-bolt |
| 391436 | 68-73 | 307 | 2-bolt |
| 393288 | 65-67 | 283 | 2-bolt |
| 460703 | 78 | 350 | 4-bolt |
| 460776 | 76-79 | 305 | Car & Truck 2-bolt |
| 460777 | 76-79 | 305 | Car & Truck 2-bolt |
| 460778 | 76-79 | 305 | 2-bolt |
| 471511 | 79-82 | 267 | Car & Truck 2-bolt |
| 3556519 | 58-61 | 283 | 2-bolt |
| 3703524 | 55 | 265 | car & Corvette no oil filter 2-Bolt |
| 3720991 | 55-56 | 265 | Car & Truck 2-bolt |
| 3731548 | 57 | 283 | Car & Truck 2-bolt No side mount |
| 3737737 | 57-62 | 283 | 2-bolt |
| 3737739 | 57-62 | 283 | 2-bolt |
| 3756519 | 58-62 | 283 | 2-bolt |
| 3782870 | 62-67 | 327 | car & Truck 2-bolt |
| 3789817 | 62-67 | 327 | 2-bolt |
| 3789935 | 61-66 | 283 | car & Truck 2-bolt |
| 3790721 | 64-67 | 327 | 2-bolt Chevy II Nova Recessed filter |
| 3791362 | 66-67 | 327 | 2-bolt Chevy II Nova Recessed filter |
| 3791363 | 66-67 | 327 | 2-bolt Chevy II Nova Recessed filter |
| 3792563 | 65 | 327 | 2-bolt |
| 3792582 | 64-65 | 283 | 2-bolt |
| 3794226 | 57-63 | 283 | 2-boltTruck |
| 3794460 | 68-69 | 327 | 2-bolt |
| 3814660 | 68-69 | 327 | 2-bolt |
| 3830944 | 63 | 327 | 2-bolt |
| 3834810 | 65-67 | 283 | car & Truck 2-bolt |
| 3834812 | 62-63 | 283 | 2-bolt |
| 3837739 | 58-62 | 283 | 2-bolt |
| 3849852 | 57-66 | 283 | car & Truck 2-bolt |
| 3849859 | 57-66 | 283 | car & Truck 2-bolt |
| 3849935 | 65-67 | 283 | 2-bolt |
| 3858174 | 64-67 | 327 | car & Truck 2-bolt |
| 3858180 | 64-67 | 327 | 2-bolt |
| 3858618 | 68-76 | 350 | 2 & 4-Bolt |
| 3862194 | 65-67 | 283 | 2-bolt Chevy II Nova Recessed filter |
| 3864812 | 62-67 | 283 | car & Truck 2-bolt |
| 3892657 | 64-67 | 302/327/350 | car & Truck 2-bolt |
| 3892659 | 68-69 | 327 | 2-bolt Large journal |
| 3896944 | 67 | 283 | 2-bolt |
| 3896948 | 66-67 | 283 | 2-bolt |
| 3903352 | 67 | 327 | 2-bolt |
| 3914635 | 68-73 | 307 | car & Truck 2-bolt |
| 3914636 | 68-73 | 307 | car & Truck 2-bolt |
| 3914638 | 68 | 327 | 2-bolt |
| 3914653 | 68 | 307 | 2-bolt |
| 3914660 | 68-69 | 327 | car & Truck 2-bolt |
| 3914678 | 68-79 | 302/327/350 | car & Truck 2-bolt |
| 3931174 | 68 | 307 | 2-bolt Truck |
| 3932371 | 69-73 | 307 | car & Truck 2-bolt |
| 3932373 | 69-73 | 307 | car & Truck 2-bolt |
| 3932386 | 68-74 | 302-327-350 | 2 & 4-Bolt |
| 3932388 | 68-79 | 350 | car & Truck 4-Bolt |
| 3932442 | 67 | 350 | 2-bolt Camaro |
| 3933180 | 68-69 | 327 | car & Truck Large journal 2-Bolt |
| 3951509 | 70-80 | 400 | car & Truck 2 & 4-Bolt 2-freeze plugs |
| 3951511 | 70-80 | 400 | car & Truck 2 & 4-Bolt 3-freeze plugs |
| 3956618 | 68-79 | 302/327/350 | 2 & 4-Bolt |
| 3956632 | 69-73 | 307 | car & Truck 2-bolt |
| 3959512 | 62-63 | 327 | 2-bolt |
| 3970010 | 69-79 | 302/350 | car & Truck 2 & 4-Bolt Most common |
| 3970014 | 68-79 | 350 | car & Truck 2 & 4-Bolt |
| 3970020 | 69-73 | 307 | car & Truck 2-bolt |
| 3970024 | 69-73 | 307 | car & Truck 2-bolt |
| 3992386 | 68-69 | 327 | car & Truck Large journal 2-Bolt |
| 10036033 | 350 | 4-bolt Mexico cast Crate engine | |
| 10051182 | 350 | Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick | |
| 10051184 | 86-up | 350 | Car & Truck 2 & 4-bolt Passenger stick 1-piece seal |
| 10054727 | 86-up | 350 | Car & Truck 2-bolt Passenger stick 1-piece seal |
| 10066036 | 86-up | 350 | Car & Truck 2 & 4-bolt Passenger stick 1-piece seal |
| 10066038 | 350 | 2 & 4-Bolt Mexico cast Crate engine | |
| 10090511 | 90 | 350 | 4-bolt LT-5 ZR-1 |
| 10125327 | 93-up | 350 | Camaro/firebird 2 & 4-bolt LT-1 Reverse cooling Roller cam |
| 10134996 | 400 | 4-bolt Bowtie Aluminum 400 Mains/Bore | |
| 10153558 | 91-92 | 350 | 4-bolt LT-5 ZR-1 |
| 10168588 | 94-96 | 265 | 2-bolt LT-1 Reverse cooling |
| 10199001 | 93-95 | 350 | 4-bolt LT-5 ZR-1 |
| 10243878 | 96-up | 305 | 2-bolt Vortec Roller |
| 10243880 | 96-up | 350 | 2 & 4-Bolt Vortec Roller |
| 12550592 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12551364 | 98 & UP | 365 | Gen III 6.0L Iron Block. LQ-4 and LQ-9 |
| 12559378 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12559846 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12560621 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12560629 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12561168 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12561358 | 99 & UP | 293/325 | Gen III 4.8L and 5.3L Iron Block. |
| 12562174 | 97-up | 350 | Crossbolted LS-1 Aluminum |
| 12573581 | 98 & UP | 365 | Gen III 6.0L Iron Block. LQ-4 and LQ-9 |
| 12577184 | 98 & UP | 365 | Gen III 6.0L Iron Block. LQ-4 and LQ-9 |
| 14010201 | 80-85 | 305 | car & Truck 2-bolt Passenger stick |
| 14010202 | 80-85 | 305 | car & Truck 2-bolt Passenger stick |
| 14010203 | 80-85 | 305 | car & Truck 2-bolt Passenger stick |
| 14010205 | 80-82 | 267 | car & Truck 2-bolt Passenger stick |
| 14010207 | 80-85 | 350 | car & Truck 2 & 4-Bolt Passenger stick |
| 14010209 | 80-85 | 350 | car & Truck 2 & 4-Bolt Passenger stick |
| 14010280 | 80-82 | 267 | car & Truck 2-bolt Passenger stick |
| 14010287 | 80-82 | 350 | 2-bolt Passenger stick |
| 14011064 | 80-85 | 350 | 4-bolt Passenger stick |
| 14011148 | 87-89 | 350 | 2 & 4-Bolt Roller cam one piece seal |
| 14016376 | 80-82 | 267 | 2-bolt Passenger stick |
| 14016379 | 77-79 | 350 | 2 & 4-Bolt |
| 14016379 | 77-79 | 267 | 2-bolt dipstick in pan |
| 14016381 | 76-85 | 305 | car & Truck 2-bolt Passenger stick After 79 |
| 14016382 | 80-85 | 305 | 2-bolt Passenger stick |
| 14016383 | 80-85 | 305 | 2-bolt Truck |
| 14079287 | 86-90 | 350 | 2-bolt Passenger stick one piece seal |
| 14088526 | 87-89 | 350 | 2-bolt Roller cam Passenger stick 1-piece seal |
| 14088548 | 86-88 | 350 | 2-bolt Truck Passenger stick 1-piece seal |
| 14088551 | 86-88 | 305 | Car & Truck 2-bolt Passenger stick 1-piece seal |
| 14093627 | 87-88 | 305 | Car & Truck 2-bolt Passenger stick 1-piece seal |
| 14093638 | 87-95 | 350 | Car & Truck 2 & 4-bolt Passenger stick 1-piece seal |
| 14094766 | 86-up | 305 | 2-bolt Passenger stick one piece seal |
| 14101147 | 86-up | 305 | 2-bolt Passenger stick one piece seal |
| 14101148 | 86-up | 350 | 2 & 4-Bolt Passenger stick 1-Piece seal Roller cam |
| 14102058 | 86-88 | 305 | Car & Truck 2-bolt Passenger stick 1-piece seal |
| 14316379 | 68-88 | 350 | Car & Truck 2-bolt Passenger stick 1-piece seal |
Casting Number |
Years |
CID |
Comments |
| 340220 | 72-76 | 427 | Truck Tall deck |
| 345014 | 74-86 | 454 | Truck |
| 346236 | 74-76 | 454 | 2-bolt |
| 359070 | 74-90 | 454 | Truck |
| 361959 | 73-85 | 454 | Car & Truck |
| 364776 | 68-84 | 427 | Truck Tall deck |
| 364779 | 68-88 | 366 | Truck Tall deck |
| 399204 | 70-71 | 509 | 4-Bolt Aluminum Can-AM |
| 399289 | 73-79 | 454 | 2-bolt |
| 399293 | 77-78 | 366 | Truck |
| 473478 | 68-84 | 427 | Truck Tall deck |
| 3716362 | 396 | ||
| 3732755 | 59-61 | 348 | |
| 3732811 | 58 | 348 | |
| 3751872 | 58 | 348 | |
| 3755011 | 59-61 | 348 | |
| 3771705 | 59-61 | 348 | |
| 3782012 | 58-61 | 348 | |
| 3782870 | 68-76 | 427 | Truck Tall deck |
| 3788068 | 62 | 409 | |
| 3795623 | 61 | 409 | |
| 3798962 | 62-65 | 348 | Truck |
| 3815707 | 58-61 | 348 | |
| 3824553 | 66-67 | 366 | Truck |
| 3830814 | 63 | 409 | |
| 3839752 | 62-63 | 409 | |
| 3839754 | 65 | 409 | |
| 3844422 | 64 | 409 | |
| 3855961 | 66-67 | 396 | 2-bolt |
| 3855962 | 65-66 | 396 | 4-Bolt |
| 3855977 | 65-67 | 366 | Truck Tall deck |
| 3857651 | 409 | Marine | |
| 3857655 | 62-65 | 348 | Truck |
| 3857656 | 65 | 409 | |
| 3857658 | 409 | Marine | |
| 3860386 | 62-64 | 409 | |
| 3860387 | 58 | 348 | |
| 3869942 | 66-67 | 427 | 2 & 4-Bolt |
| 3873858 | 66 | 396 | 4-Bolt |
| 3902406 | 67 | 396 | 2 & 4-Bolt |
| 3902466 | 65-67 | 396 | |
| 3904351 | 67 | 427 | 2 & 4-Bolt |
| 3904354 | 66-67 | 366 | Truck Tall deck |
| 3916319 | 68-85 | 366 | Truck Tall deck |
| 3916321 | 68 | 427 | 2 & 4-Bolt |
| 3916323 | 68 | 396 | 2 & 4-Bolt |
| 3918319 | 66-70 | 366 | Truck |
| 3925521 | 68-85 | 366 | Truck Tall deck |
| 3935439 | 68-69 | 427 | 2 & 4-Bolt |
| 3935440 | 68-69 | 396 | 2 & 4-Bolt |
| 3937724 | 68-85 | 366 | Truck Tall deck |
| 3937726 | 68-84 | 427 | Truck Tall deck |
| 3946052 | 69 | 427 | ZL-I Aluminum 4-Bolt |
| 3946053 | 97 | 427 | ZL-I Aluminum 4-Bolt 2nd design |
| 3955270 | 69 | 427 | 2 & 4-Bolt |
| 3955272 | 69 | 396/402 | 2 & 4-Bolt |
| 3955274 | 68-85 | 366 | Truck Tall deck |
| 3955276 | 68-84 | 427 | Truck Tall deck |
| 3963512 | 69-71 | 427/454 | 2 & 4-Bolt COPO |
| 3963513 | 73-76 | 454 | |
| 3965440 | 68-69 | 396 | |
| 3965449 | 68-72 | 396 | |
| 3969852 | 68-84 | 366 | Truck |
| 3969854 | 69-72 | 396/402/454 | 2 & 4-Bolt |
| 3969858 | 68-84 | 427 | Truck Tall deck |
| 3995623 | 61 | 409 | |
| 3999289 | 72-78 | 454 | Car & Truck 2-Bolt |
| 3999290 | 72 | 402 | 2-bolt |
| 3999293 | 68-85 | 366 | Truck Tall deck |
| 3999294 | 68-84 | 427 | Truck Tall deck |
| 6272176 | 68-76 | 366 | Truck |
| 6272177 | 72 | 402 | 2-bolt |
| 6272181 | 73-76 | 427 | Truck |
| 10051107 | 454 | 4-Bolt Bowtie IV Short deck | |
| 10068286 | 90-91 | 454 | 4-Bolt IV Short deck |
| 10069284 | 427 | Truck | |
| 10114182 | 91-95 | 454 | 4-Bolt Gen-5 |
| 10114183 | 91-95 | 366 | Truck Gen-5 |
| 10114184 | 91-95 | 427 | Truck Gen-5 |
| 10134366 | 454 | 4-Bolt Gen-5 Bowtie Tall deck | |
| 10185050 | 454 | 4-Bolt Gen-5 Bowtie Short deck | |
| 10237297 | 96-up | 454 | 4-Bolt Vortec 7400 Gen-6 |
| 10237300 | 96-up | 502 | 4-Bolt 4.466 bore Gen-6 |
| 12550313 | 91-95 | 454 | 4-Bolt Gen-5 |
| 12556110 | 01-up | 496 | 4-Bolt Vortec 8100 Gen-7 |
| 14015445 | 75-90 | 454 | Car & Truck |
| 14015543 | 87-90 | 454 | 4-Bolt Gen-5 |
| 14044807 | 454 | 4-Bolt IV Bowtie Tall deck | |
| 14096859 | 502 | 4-Bolt Gen-5 | |
| 24502504 | 454 | 4-Bolt Gen-5 Bowtie Short deck | |
| 24502572 | 4-Bolt DRCE-2 Olds "9.5"" deck" |
Use these casting numbers to identify the crankshaft you have.
Casting Number |
CID |
Years |
Journals |
Stroke |
Comments |
| 1130 | 307/327 | 68-73 | 2.45/2.10 | 3.25 | Nodular Iron |
| 1178 | 302 | 2.45/2.10 | 3 | Forged | |
| 1181 | 305/350 | 68-76 | 2.45/2.10 | 3.48 | Nodular Iron |
| 1182 | 350 | 2.45/2.10 | 3.48 | Forged | |
| 2680 | 327 | 2.30/2.00 | 3.25 | Forged | |
| 2690 | 350 | 2.45/2.10 | 3.48 | Forged | |
| 3279 | 302 | 68-69 | 2.45/2.10 | 3 | Forged |
| 4577 | 327 | 62-67 | 2.3/2.0 | 3.25 | Nodular Iron |
| 4672 | 307/327 | 68-73 | 2.45/2.10 | 3.25 | Nodular Iron |
| 310514 | 350 | 77-85 | 2.45/2.10 | 3.48 | Nodular Iron |
| 330550 | 350 | 73-75 | 2.45/2.10 | 3.48 | Forged |
| 354431 | 262 | 75-76 | 2.45/2.10 | 3.1 | Nodular Iron |
| 3727449 | 283 | 57-67 | 2.3/2.0 | 3 | Forged |
| 3729449 | 265 | 55-57 | 2.3/2.0 | 3 | Forged |
| 3734627 | 327 | 62-67 | 2.3/2.0 | 3 | Forged |
| 3735236 | 265/283 | 55-67 | 2.3/2.0 | 3 | Forged |
| 3735263 | 283 | 57-63 | 2.3/2.0 | 3 | Forged |
| 3782680 | 327 | 62-67 | 2.3/2.0 | 3.25 | Forged |
| 3814671 | 327 | 2.30/2.00 | 3.25 | Forged | |
| 3815822 | 265/283 | 55-67 | 2.3/2.0 | 3 | Forged |
| 3835236 | 283 | 57-65 | 2.3/2.0 | 3 | Forged |
| 3836266 | 265/283 | 56-63 | 2.3/2.0 | 3 | Forged |
| 3849847 | 283 | 57-67 | 2.3/2.0 | 3 | Forged |
| 3876764 | 283 | 64-67 | 2.3/2.0 | 3 | Nodular Iron |
| 3876768 | 283 | 64-67 | 2.3/2.0 | 3 | Nodular Iron |
| 3884577 | 327 | 2.30/2.00 | 3.25 | Forged | |
| 3892690 | 350 | 68-85 | 2.45/2.10 | 3.48 | Forged |
| 3911001 | 307/327 | 68-73 | 2.45/2.10 | 3.25 | Nodular Iron |
| 3911011 | 307/327 | 68-73 | 2.45/2.10 | 3.25 | Nodular Iron |
| 3914672 | 327 | 2.45/2.10 | 3.25 | Forged | |
| 3923279 | 302 | 2.45/2.10 | 3 | Forged | |
| 3932442 | 305/350 | 69-85 | 2.45/2.10 | 3.48 | Nodular Iron |
| 3941174 | 307/327 | 68-73 | 2.45/2.10 | 3.25 | Nodular Iron |
| 3941178 | 302 | 68-69 | 2.45/2.10 | 3 | Forged |
| 3941182 | 350 | 68-76 | 2.45/2.10 | 3.48 | Forged |
| 3941188 | 350 | 2.45/2.10 | 3.48 | Forged | |
| 3949847 | 283 | 64-67 | 2.3/2.0 | 3 | Nodular Iron |
| 3951130 | 327 | 2.45/2.10 | 3.25 | Forged | |
| 3951529 | 400 | 70-80 | 2.65/2.10 | 3.75 | Nodular Iron |
| 10106122 | 350 | 90-95 | 2.76/2.10 | 3.66 | Forged LT-5 ZR-1 |
| 10168568 | 265 | 2.45/2.10 | 3 | Cast One Piece Seal | |
| 12552216 | 346 | 2.558/2.10 | 3.62 | Cast LS-1 One Piece Seal | |
| 14088526 | 305 | 1986 | 2.45/2.10 | 3.48 | Nodular Iron One piece seal |
| 14088532 | 350 | 86-88 | 2.45/2.10 | 3.48 | Forged One piece seal |
| 14088535 | 305/350 | 86 & UP | 2.45/2.10 | 3.48 | Nodular Iron One piece seal |
| 14088552 | 350 | 86 & UP | 2.45/2.10 | 3.48 | Forged One piece seal |
| Casting Number | CID | Years | Journals | Stroke | Comments |
| 3520 | 454 | 2.75/2.20 | 4 | Forged | |
| 3521 | 454 | 70-88 | 2.75/2.20 | 4 | Forged LS-6 |
| 3524 | 454 | 2.75/2.20 | 4 | Forged | |
| 6223 | 366/396/402/427 | 68-76 | 2.75/2.20 | 3.76 | Forged |
| 7115 | 366/396/402/427 | 65-76 | 2.75/2.20 | 3.76 | Forged |
| 7416 | 454 | 70-88 | 2.75/2.20 | 4 | Forged |
| 7463 | 454 | 2.75/2.20 | 4 | Forged | |
| 336782 | 454 | 2.75/2.20 | 4 | Cast | |
| 353039 | 454 | 70-88 | 2.75/2.20 | 4 | Nodular Iron |
| 353638 | 454 | 2.75/2.20 | 4 | ||
| 359730 | 454 | 2.75/2.20 | 4 | ||
| 3732692 | 348 | 2.75/2.20 | 4 | ||
| 3732692 | 348 | 1958 | 2.50/2.20 | 3.25 | Forged |
| 3733223 | 409 | 62-65 | 2.50/2.20 | 3.5 | Forged |
| 3733223 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3733226 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3733226 | 348 | 1958 | 2.50/2.20 | 3.25 | Forged |
| 3741640 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3741640 | 348 | 59-61 | 2.50/2.20 | 3.25 | Forged |
| 3741642 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3741642 | 348 | 59-61 | 2.50/2.20 | 3.25 | Forged |
| 3788072 | 409 | 1961 | 2.50/2.20 | 3.5 | Forged |
| 3788072 | 409 | 2.50/2.20 | 3.5 | Forged | |
| 3795589 | 409 | 61-62 | 2.50/2.20 | 3.5 | Forged |
| 3795589 | 409 | 2.50/2.20 | 3.5 | Forged | |
| 3804816 | 366/396/402/427 | 61-76 | 2.75/2.20 | 3.76 | Nodular Iron |
| 3815822 | 348 | 58-61 | 2.50/2.20 | 3.25 | Forged |
| 3815822 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3824553 | 348 | 58-61 | 2.50/2.20 | 3.25 | Forged |
| 3824553 | 348 | 2.50/2.20 | 3.25 | Forged | |
| 3829027 | 409 | 2.50/2.20 | 3.5 | Forged | |
| 3829027 | 409 | 1963 | 2.50/2.20 | 3.5 | Forged |
| 3837466 | 409/427 | 2.50/2.20 | 3.65 | Forged Z-11Special performance | |
| 3837466 | 409 | 1963 | 2.50/2.20 | 3.5 | Forged Z-11 |
| 3838416 | 409 | 64-65 | 2.50/2.20 | 3.5 | Forged |
| 3838416 | 409 | 2.50/2.20 | 3.5 | Forged | |
| 3856223 | 396/402 | 65-71 | 2.75/2.20 | 3.76 | Nodular Iron |
| 3863114 | 402 | 2.75/2.20 | 3.76 | ||
| 3863144 | 366/396/402 | 68-85 | 2.75/2.20 | 3.76 | Forged |
| 3874874 | 366/396/402/427 | 66-85 | 2.75/2.20 | 3.76 | Forged |
| 3879621 | 427 | 2.75/2.20 | 3.76 | Forged | |
| 3882841 | 396 | 2.75/2.20 | 3.76 | Forged | |
| 3882842 | 366/396/427 | 2.75/2.20 | 3.76 | Forged | |
| 3882849 | 366/396/427 | 2.75/2.20 | 3.76 | Forged | |
| 3887114 | 396 | 2.75/2.20 | 3.76 | Forged Special performance | |
| 3904815 | 366/396/402/427 | 65-76 | 2.75/2.20 | 3.76 | Nodular Iron |
| 3962523 | 454 | 2.75/2.20 | 4 | Forged | |
| 3963521 | 454 | 2.75/2.20 | 4 | Forged Special performance | |
| 3963524 | 454 | 70-72 | 2.75/2.20 | 4 | Forged |
| 3965746 | NA | NA | NA | Semi finished Forged crank | |
| 3965753 | NA | NA | NA | Semi finished Forged | |
| 3967416 | 454 | 70-71 | 2.75/2.20 | 4 | Forged |
| 3967463 | 454 | 70-88 | 2.75/2.20 | 4 | Forged |
| 3975495 | 454 | 2.75/2.20 | 4 | ||
| 3975945 | 454 | 2.75/2.20 | 4 | ||
| 3993804 | NA | NA | NA | Raw Forged crank | |
| 3993878 | 454 | 2.75/2.20 | 4 | Forged | |
| 10051169 | NA | NA | NA | Raw Forged | |
| 10114186 | 427 | 2.75/2.20 | 3.76 | Forged | |
| 10114187 | 396 | 2.75/2.20 | 3.76 | Cast | |
| 10114188 | 454 | 2.75/2.20 | 4 | Cast One Piece Seal | |
| 14097044 | 454/502 | 2.75/2.20 | 4 | Forged One Piece Seal |
Use these casting numbers to identify the heads you have.
| Casting Number | CID | Years | Valves | Comments |
| 10065202 | 350 | 82-86 | 1.94/1.50 | 76cc |
| 10065203 | 350 | 82-86 | 1.94/1.50 | 76cc |
| 10065204 | 350 | 82-86 | 1.94/1.50 | 76cc |
| 10065205 | 305 | 82-86 | 1.84/1.50 | 58cc |
| 10065206 | 350 | 82-86 | 1.94/1.50 | 76cc |
| 10065207 | 305 | 82-86 | 1.84/1.50 | 58cc |
| 10088113 | 350 | 86-92 | 1.94/1.50 | 58cc Corvette Aluminum |
| 10120928 | 350 | 87-94 | 1.94/1.50 | 76cc |
| 10125320 | 350 | 94-96 | 2.00/1.55 | Gen II LT1 cast iron version, |
| 10128374 | 350 | 92-97 | 2.00/1.55 | Gen II LT1 53 CC angle plug aluminum |
| 10134363 | Bowtie High Port 60 CC 210 ~ 258 CC | |||
| 10159550 | 350 | 87-94 | 1.94/1.50 | 76cc |
| 10159551 | 305 | 87-94 | 1.84/1.50 | 58cc |
| 10159552 | 350 | 87-94 | 1.94/1.50 | 76cc |
| 10159553 | 305 | 87-94 | 1.84/1.50 | 58cc |
| 10185040 | Splayed vavle head 45 CC angle plug | |||
| 10205245 | 350 | 93 | 2.00/1.55 | Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports |
| 10207643 | 350 | 94-97 | 2.00/1.55 | Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports |
| 10208890 | 265 | 94-96 | 2.00/1.55 | Gen II L99 4.3 Liter V-8, cast iron, reverse flow |
| 10215339 | 346 | 97 | 2.00/1.55 | Gen III LS1 aluminum 68cc |
| 10239906 | 305/350 | 96-up | 1.94/1.50 | 68cc Vortec |
| 12367713 | 2.00/1.55 | GM Fast burn 62 CC 210 CC intake runner angle plug Vortec | ||
| 12480005 | 346 | 0 | 2.125/1.625 | Gen III LS1 "GTZ" aluminum 38cc angle plug |
| 12480011 | SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. | |||
| 12480034 | 2.02/1.60 | Bowtie Phase III 64cc Angle plug 184 cc intake runner | ||
| 12506450 | 350 | 87-94 | 1.94/1.50 | 76cc |
| 12509859 | 305 | 87-94 | 1.84/1.50 | 58cc |
| 12516852 | 350 | 87-94 | 1.94/1.50 | 76cc |
| 12551561 | 350 | 96 | 2.00/1.55 | Gen II LT1 angle plug aluminum reverse flow cooling |
| 12552520 | 305 | 97-99 | 1.84/1.5 | Vortec Truck L-35 |
| 12554290 | 350 | 94-96 | 2.00/1.55 | Gen II LT1 cast iron version |
| 12555690 | 350 | 96 | 2.00/1.55 | Gen II LT-4 55 CC 195 CC intake runner Angle Plug |
| 12555690 | 350 | 96 | 2.00/1.55 | Gen II LT-4 55 CC 195 CC intake runner Angle Plug |
| 12556743 | 325 | 99 & UP | 2.00/1.55 | Gen III 5.3L aluminum truck and van |
| 12558059 | 305 | 97 | 1.84/1.5 | L-35 Vortec truck |
| 12558062 | 350 | 98 | 1.94/1.5 | L-31 Vortec truck 64cc chambers 170cc intake port |
| 12558062 | 305/350 | 96-up | 1.94/1.50 | 68cc Vortec |
| 12558806 | 346 | 97-98 | 2.00/1.55 | Gen III LS1 aluminum 68cc |
| 12559853 | 346 | 99 & UP | 2.00/1.55 | Gen III LS1 aluminum 68cc |
| 12559895 | 325 | 00 & UP | 2.00/1.55 | Gen III 5.3L aluminum |
| 12564241 | 346 | 00 & UP | 2.00/1.55 | Gen III LS1 aluminum 68cc |
| 12564243 | 346 | 2 | 2.00/1.55 | Gen III LS6 aluminum 68cc |
| 12564243 | 346 | 2.00/1.55 | Gen III LS-6 vette head 65 CC | |
| 14008856 | 267 | 79-81 | 1.71/1.50 | |
| 14010201 | 305 | 82-85 | 1.84/1.50 | 58cc |
| 14011034 | 350 | 80-up | 2.02/1.60 | 64cc Bowtie |
| 14011049 | 350 | 82-up | 2.02/1.60 | 64cc Bowtie Aluminum |
| 14014415 | 267/305 | 80-85 | 1.71/1.50 | 64cc Crack prone |
| 14014416 | 267/305/350 | 80-86 | 1.84/1.50 | 64cc Crack prone |
| 14019821 | 350 | 80-86 | 1.84/1.50 | 76cc |
| 14019924 | 267 | 79-81 | 1.71/1.50 | |
| 14019926 | 305 | 80-86 | 1.84/1.50 | |
| 14020516 | 305/350 | 80-86 | 1.84/1.50 | |
| 14020517 | 350 | 80-86 | 1.84/1.50 | 76cc |
| 14020555 | 305 | 81 | ||
| 14020556 | 350 | 81 | ||
| 14022206 | 350 | 80 | 1.94/1.50 | 76cc |
| 14022301 | 305 | 80-86 | 1.84/1.50 | 58cc |
| 14022601 | 267/305 | 79-86 | 1.72/1.50 1.84/1.50 | 58cc |
| 14022801 | 305 | 80-86 | 1.72/1.50 | 58cc |
| 14034806 | 267 | 78-82 | 1.72/1.50 | |
| 14034807 | 305 | 78-82 | 1.72/1.50 | |
| 14034808 | 350 | 80-86 | 1.84/1.50 | 76cc |
| 14034810 | 350 | 80-86 | ||
| 14034811 | 350 | 80-86 | ||
| 14039121 | 305 | 81-86 | ||
| 14039122 | 305 | 81-86 | ||
| 14071114 | 350 | 80-86 | ||
| 14075381 | 350 | 80-86 | ||
| 14079261 | 350 | 82-85 | ||
| 14085844 | 350 | 80-86 | ||
| 14089119 | 350 | 80-86 | ||
| 14096217 | 350 | 90-up | 1.94/1.50 | 64cc Crate heads |
| 14101081 | 305 | 87-94 | 1.84/1.50 | 58cc |
| 14101083 | 350 | 88-94 | 1.94/1.50 | 64 cc |
| 14102187 | 305 | 87-95 | 1.84/1.50 | 58cc |
| 14102191 | 305/350 | 87-95 | 1.84/1.50 | |
| 14102193 | 305/350 | 87-95 | 1.84/1.50 | |
| 24502559 | 96-97 | Bowtie SB2 1st design"mirror ports" aluminum | ||
| 25534351C | 2.00/1.55 | Vortec Bowtie 65 CC 175 cc intake runner | ||
| 25534371C | 2.00/1.55 | Vortec Bowtie 65 CC 206 cc intake runner | ||
| 3238882 | 350 | 68-69 | 1.94/1.50 | 76cc |
| 3297185 | 307/327/350 | 57-67 | 1.72/1.50 | |
| 330545 | 350/400 | 71-75 | 2.02/1.60 | 76cc |
| 330862 | 400 | 71-73 | 1.94/1.50 | |
| 333881 | 350 | 71-76 | 2.02/1.60 | 76cc |
| 333882 | 350/400 | 70-80 | 1.94/1.50 | 76cc |
| 340292 | 350 | 73-80 | 2.02/1.60 | 64cc Angle plugs turbo' head No heat riser |
| 354434 | 262/305 | 75-80 | 1.72/1.50 | 60cc |
| 358741 | 262/305 | 71--79 | 1.72/1.50 | |
| 359944 | 350 | 71-79 | 1.94/1.50 | 76cc |
| 3636839 | 265 | 55 | 1.72/1.50 | |
| 3703523 | 265 | 55 | 1.72/1.50 | 195HP |
| 3713358 | 265 | 55-56 | 1.72/1.50 | |
| 3713569 | 265 | 55-56 | 1.72/1.50 | |
| 3725306 | 265 | 56 | 1.72/1.50 | 210HP Corvette |
| 3731262 | 265 | 56 | 1.72/1.50 | Dual Quad Corvette |
| 3731539 | 283 | 57-66 | 1.72/1.50 | 283HP Corvette |
| 3731544 | 265/283 | 55-61 | 1.72/1.50 | Dual Quad Corvette |
| 3731554 | 265/283 | 55-63 | 1.72/1.50 | |
| 3731556 | 283 | 57 | 1.72/1.50 | |
| 3731762 | 265 | 56 | 1.72/1.50 | Dual Quad Corvette |
| 3737775 | 283/327 | 62-67 | 1.72/1.50 | |
| 3740997 | 283 | 57 | 1.72/1.50 | Dual Quad FI & 4-brl 220-270HP |
| 3743056 | 283 | 58 | 1.72/1.50 | |
| 3743096 | 327 | 62-67 | 1.72/1.50 | |
| 3747363 | 265 | 57-62 | 1.72/1.50 | |
| 3748056 | 327 | 62-67 | 1.72/1.50 | |
| 3748720 | 283 | 57-58 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3748770 | 283 | 55-62 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3748772 | 283 | 57-62 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3755537 | 283 | 57-62 | 1.72/1.50 | |
| 3755538 | 283 | 59 | 1.72/1.50 | 250-290HP FI Corvette |
| 3755539 | 283 | 58-62 | 1.72/1.50 | |
| 3755549 | 283 | 57-62 | 1.72/1.50 | |
| 3755550 | 283 | 57-62 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3755585 | 327 | 62-67 | 1.72/1.50 | |
| 3755896 | 283 | 62-64 | 1.72/1.50 | |
| 3760116 | 283 | 59 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 376445 | 350 | 80-84 | 1.72/1.50 | |
| 376450 | 262/305 | 75-76 | 1.72/1.50 | |
| 376495 | 350 | Jun-79 | 1.94/1.50 | 76cc |
| 3767460 | 265/283/327 | 55-67 | 1.72/1.50 | Car & Truck Corvette |
| 3767462 | 327 | 62-67 | 1.72/1.50 | |
| 3767465 | 283 | 60-61 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3767754 | 283 | 60-61 | 1.72/1.50 | |
| 3767792 | 283 | 60-67 | 1.72/1.50 | |
| 3770126 | 327/350 | 67-70 | 1.94/1.50 | |
| 3773012 | 265 | 55 | 1.72/1.50 | |
| 3774634 | 327 | 64-67 | 1.72/1.50 | |
| 3774682 | 283/327 | 60-67 | 1.72/1.50 | |
| 3774684 | 283/327 | 57-67 | 1.72/1.50 | |
| 3774690 | 283 | 58 | 1.72/1.50 | FI Corvette |
| 3774692 | 283 | 58-64 | 1.72/1.50 | Dual Quad FI & 4-brl Corvette |
| 3782461 | 302/327/350 | 61-70 | 1.94/1.50 | Dual Quad FI & 4-brl Corvette 2.02/1.60 Doubble humps 64cc |
| 3782462 | 327 | 67 | 1.94/1.50 | Corvette 2.02/1.60 |
| 3792563 | 327 | 65-67 | ||
| 3795896 | 283/307/327 | 58-72 | 1.72/1.50 | 60cc |
| 3796896 | 283 | 64-67 | 1.72/1.50 | 60cc Chevy II |
| 3798996 | 327 | 63-67 | ||
| 3814462 | 350 | 67 | 1.94/1.50 | |
| 3814480 | 283/327 | 60-67 | 1.72/1.50 | |
| 3814482 | 327 | 62-67 | 1.72/1.50 | |
| 3817680 | 283 | 59 | 1.72/1.50 | FI 4-brl |
| 3817681 | 327 | 62-67 | 1.72/1.50 | |
| 3817682 | 283 | 61-62 | 1.72/1.50 | |
| 3836839 | 265 | 55 | 1.72/1.50 | |
| 3836842 | 283/327 | 57-67 | 1.72/1.50 | |
| 3836924 | 283 | 63-64 | 1.72/1.50 | |
| 3836942 | 283 | 58-62 | 1.72/1.50 | |
| 3837063 | 283 | 58-62 | 1.72/1.50 | |
| 3837064 | 265/283 | 56-62 | 1.72/1.50 | |
| 3837065 | 265 | 55-56 | 1.72/1.50 | |
| 3837775 | 283/327 | 62-67 | 1.72/1.50 | |
| 383882 | 400 | 71-73 | ||
| 3848720 | 283 | 57-58 | 1.72/1.50 | |
| 3849820 | 327 | 65 | 1.72/1.50 | |
| 3854520 | 283/327 | 62-67 | 1.72/1.50 | |
| 3867802 | 283 | 57-60 | 1.72/1.50 | FI Corvette |
| 3873064 | 265 | 56-57 | 1.72/1.50 | |
| 3876487 | 350 | 71-73 | 1.94/1.50 | 76cc |
| 3876775 | 283/327 | 57-67 | 1.72/1.50 | 76cc |
| 3878775 | 327 | 64-67 | 1.72/1.50 | |
| 3884520 | 283/327 | 60-67 | 1.72/1.50 | 60cc |
| 3890462 | 302/327/350 | 62-68 | 1.94/1.50 2.02/1.60 | 64cc Doubble humps |
| 3891462 | 302/327/350 | 62-67 | 1.94/1.50 2.02/1.60 | 64cc |
| 3891492 | 327 | 64-67 | 1.94/1.50 | |
| 3911011 | 327 | 68 | ||
| 3911032 | 307/327 | 68-70 | 1.72/1.50 | 70cc |
| 3912264 | 283 | 58-62 | 1.72/1.50 | |
| 3912265 | 283 | 63-64 | 1.72/1.50 | |
| 3912291 | 302/327/350 | 68-70 | 1.94/1.50 2.02/1.60 | 64ccDoubble humps |
| 3912311 | 350 | 67 | 1.94/1.50 | |
| 3912313 | 327 | 65-73 | 1.72/1.50 | |
| 3917264 | 302 | 67 | 2.02/1.60 | 64cc Z-28 |
| 3917290 | 327 | 68-70 | 1.72/1.50 | |
| 3917291 | 302/327/350 | 62-69 | 1.94/1.50 2.02/1.60 | 64cc Doubble humps |
| 3917292 | 327 | 67-68 | 1.94/1.50 | |
| 3917293 | 307/327 | 68-69 | 1.72/1.50 | 76cc |
| 3921175 | 327 | 66 | 1.94/1.50 | |
| 3923441 | 350 | 67-76 | 1.94/1.50 | 76cc |
| 3927185 | 307/327/350 | 68-79 | 1.72/1.50 | 70cc |
| 3927186 | 302/327/350 | 68-72 | 1.94/1.50 2.02/1.60 | 64cc Doubble humps Bolt holes |
| 3927187 | 302/350 | 69-70 | 2.02/1.60 | 64cc Corvette |
| 3927188 | 307/327/350 | 69 | 1.72/1.50 | 76cc |
| 3928454 | 307 | 68 | 1.72/1.50 | |
| 3928455 | 302/327 | 68 | 2.02/1.60 | 64cc 325 & 350HP |
| 3928494 | 327 | 68 | 2.02/1.60 | 64cc 350HP 4-brl |
| 3928495 | 327 | 68 | 1.72/1.50 | |
| 3931633 | 307 | 68-73 | 1.72/1.50 | |
| 3931635 | 350 | 68-76 | 1.94/1.50 | 76cc |
| 3931637 | 327 | 68-69 | ||
| 3931638 | 327 | 68 | 1.72/1.50 | |
| 3931639 | 302 | 68 | 2.02/1.60 | 64cc |
| 3932441 | 327/350 | 67-79 | 1.94/1.50 | 76cc |
| 3932454 | 307/350 | 68-799 | 1.72/1.50 | 76cc |
| 3933148 | 350 | 68-73 | 76cc | |
| 3941174 | 327 | 68 | 1.72/1.50 | |
| 3946812 | 350 | 69 | 1.72/1.50 | |
| 3946813 | 350 | 69-79 | 76cc | |
| 3947014 | 350 | 68-70 | ||
| 3947040 | 302/327/350 | 68-70 | 1.94/1.50 2.02/1.60 | 64cc |
| 3947041 | 302/327/350 | 68-79 | 1.94/1.50 2.02/1.60 | 64cc |
| 3951598 | 400 | 70-71 | 1.94/1.50 | 76cc |
| 3961598 | 400 | 70-76 | 1.94/1.50 | 76cc |
| 3964286 | 350 | 68-77 | 1.94/1.50 | 76cc |
| 3970126 | 327/350 | 67-79 | 1.72/1.50 | |
| 3973195 | 400 | 71-73 | 1.94/1.50 | 76cc |
| 3973414 | 327/350 | 64-70 | 2.02/1.60 | 64cc Z-28 LT-1 corvette |
| 3973487 | 350 | 68-79 | 1.94/1.50 2.02/1.60 | 76cc |
| 3973487X | 350 | 68-73 | 1.94/1.50 2.02/1.60 | 76cc X cast 10cc's |
| 3973493 | 400 | 70-76 | 1.94/1.50 | 76cc |
| 3986316 | 350 | 71-72 | 2.02/1.60 | 76cc |
| 3986330 | 350 | 69-79 | 1.94/1.50 | 76cc |
| 3986339 | 307/350 | 68-79 | 1.72/1.50 | 76cc |
| 3986388 | 350 | 68-79 | 1.72/1.50 | 76cc |
| 3990941 | 307/350 | 68-82 | ||
| 3991492 | 327/350 | 68-73 | 1.94/1.50 2.02/1.60 | 64cc Angle plug |
| 399380 | 400 | 70-73 | 76cc | |
| 3997417 | 307 | 71 | 1.72/1.50 | |
| 3998916 | 350/400 | 72-75 | 2.02/1.60 | 76cc |
| 3998920 | 350 | 72-75 | 1.94/1.50 | 76cc |
| 3998991 | 307/350 | 68-79 | 1.72/1.50 | 76cc |
| 3998993 | 307/350 | 68-79 | 1.71/1.50 1.94/1.50 | 76cc |
| 3998997 | 350/400 | 71-73 | 1.94/1.50 | 76cc |
| 426424 | 305/350/400 | 72-82 | 1.72/1.50 | |
| 458624 | 350 | 69-84 | 1.94/1.50 | 76cc |
| 460703 | 350 | 78-80 | 1.94/1.50 | 76cc |
| 462614 | 305/350 | 77-79 | 1.72/1.50 | |
| 462624 | 350 | 76-87 | 1.94/1.50 2.02/1.60 | 76cc Crack prone |
| 464033 | 350 | 76-86 | 1.94/1.50 | 76cc |
| 464036 | 350 | 76-86 | 1.94/1.50 | 76cc |
| 468642 | 350/400 | 75-84 | 1.72/1.50 | |
| 471513 | 267 | 79-81 | 1.72/1.50 | |
| 472424 | 305 | 76-79 | 1.72/1.50 | |
| 474213 | 305 | 78-82 | 1.72/1.50 | |
| 474214 | 350 | 78-82 | 1.94/1.50 | 76cc |
| 475590 | 400 | 78-82 | 1.94/1.50 | 76cc |
| 517513 | 267 | 79-81 | 1.72/1.50 | |
| 6259515 | 350 | 73 | ||
| 6260855 | 350 | 73-75 | 1.94/1.50 | 76cc |
| 6260856 | 350 | 73-76 | 1.94/1.50 | 76cc |
| 6272070 | 350 | 73 | ||
| 10045427 | Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port | |||
| 10049875 | Pontiac/Chevy Aluminum Small Rectangle port | |||
| 10051128 | 454 | 90-94 | 2.19/1.88 | 72cc Bowtie Aluminum Rectangular port 400cc intake |
| 10052902 | 427 | Oval Port Open chamber | ||
| 10101136 | 454 | 91-94 | 2.06/1.77 | Open chamber Oval port |
| 10101140 | 366/427 | 91-01 | Oval Port Closed chamber | |
| 10114156 | 454 | 91-01 | Oval Port Open chamber | |
| 10121033 | 454 | 78-88 | 2.06/1.77 | Open chamber Oval port |
| 10141279 | 454 | 96-01 | Vortec 7400 100cc chambers Oval Port | |
| 10487052 | 366 | 77-90 | Oval Port Open chamber | |
| 12352783 | 454 | 79-93 | 2.06/1.77 | Open chamber Oval port |
| 12363391 | Oval Port Bowtie Aluminum Signature Series | |||
| 12363401 | Rectangle Port Bowtie Aluminum Signature Series | |||
| 12558162 | 496 | 01 & UP | Gen.VII Vortec 8100 8.1L truck | |
| 12560241 | 454 | 98-01 | Vortec 7400 100cc chambers Oval Port | |
| 12562932 | 454/502 | 91-95 | Oval Port truck crate motor 118cc chambers | |
| 12562934 | 502 | 00 & UP | GenVI Marine | |
| 14011077 | 454 | 89-94 | 2.19/1.88 | 118cc Replacement Aluminum Rectangular port 295cc intake |
| 14025175 | 454 | 83-93 | 2.06/1.77 | Open chamber Oval port |
| 14044861 | 454 | 89-94 | 2.19/1.88 | 106cc Bowtie Aluminum Rectangular port 380cc intake |
| 14081044 | 454 | 86-90 | 2.06/1.77 | Open chamber Oval port |
| 14081045 | 454 | 78-87 | Oval Port Open chamber | |
| 14081052 | 366/427/454 | 85-87 | Oval Port Open chamber | |
| 14092359 | 427 | 86-89 | 2.06/1.77 | Open chamber Oval port |
| 14092360 | 454 | 85-89 | 2.06/1.77 | Open chamber Oval port |
| 14096188 | 454 | 87-94 | 2.19/1.88 | 118cc Replacement Rectangular port 325cc intake |
| 14097088 | 502 | 89-date | 2.19/1.88 | 118cc Replacement Rectangular port 325cc intake GEN V |
| 14101398 | 454 | 86-90 | 2.06/1.77 | Open chamber Oval port |
| 24502585 | Olds/Chevy DRCE 2 Pro Stock aluminum | |||
| 330864 | 366/427/454 | 70-81 | 2.06/1.77 | Open chamber Oval port |
| 330865 | 366/427/454 | 70-84 | 2.06/1.77 | Open chamber Oval port |
| 330866 | 366/427 | 68-78 | Oval Port Open chamber | |
| 330867 | 427 | 68-73 | Oval Port Open chamber | |
| 336768 | 427 | 73-76 | Oval Port Open chamber | |
| 336781 | 454 | 73-85 | 2.06/1.77 | 113cc Oval port |
| 343771 | 366/427/454 | 68-85 | 2.06/1.77 | Open chamber Oval port |
| 343772 | 366/427/454 | 76-84 | 2.06/1.77 | Open chamber Oval port |
| 343783 | 454 | 75-78 | 2.06/1.77 | Open chamber Oval port |
| 346236 | 454 | 75-87 | 2.06/1.77 | 113cc Oval port |
| 346238 | 454 | 75-87 | 2.06/1.77 | 113cc Oval port |
| 352625 | 454 | 70-76 | Oval Port Open chamber | |
| 353049 | 454 | 70-73 | 2.06/1.77 | 113cc Oval port |
| 366765 | 427/454 | 73-84 | 2.06/1.77 | Open chamber Oval port |
| 3732791 | 348 | 58 | ||
| 3758379 | 348 | 59-61 | ||
| 3759256 | 348 | 58 | ||
| 3767738 | 348 | 59-61 | ||
| 3781147 | 348 | 60-61 | High Perf | |
| 3795586 | 409 | 61 | 360HP | |
| 3814690 | 409 | 62-64 | High Perf | |
| 3819333 | 348/409 | 62-65 | ||
| 3830817 | 409 | 63-65 | 340HP | |
| 3837731 | 409 | 63 | High Perf Z-11 | |
| 3852583 | 409 | 65 | 400HP | |
| 3856206 | 396 | 65-66 | 2.06/1.77 | 98cc Oval port |
| 3856208 | 396 | 65 | 2.06/1.77 | 109cc Z-16/L-37 Rectangular port |
| 3856213 | 366 | 66-70 | 2.06/1.77 | Closed chamber Oval port |
| 3856260 | 396 | 68 | Oval Port Closed chamber | |
| 3872702 | 396/427 | 66 | 2.06/1.77 | 98cc Oval port L-34/L-35/L-36 |
| 3873858 | 396/427 | 66-67 | 2.06/1.77 | 109cc L-78/L-72 Rectangular port |
| 3876875 | 427 | 66-70 | 2.06/1.77 | Closed chamber Oval port |
| 3904390 | 396/427 | 66-67 | 2.06/1.77 | 98cc Oval port L-34/L-35/L-36 |
| 3904391 | 396/427 | 65-67 | 2.06/1.77 | 107cc L-78/L-71/L-72 Rectangular port |
| 3904392 | 427 | 67 | 2.19/1.88 | 106cc L-88/L-89 Aluminum Rectangular port |
| 3904393 | 366 | 66-68 | 2.06/1.77 | Closed chamber Oval port |
| 3908952 | 427 | 67 | Oval Port Open chamber | |
| 3909802 | 396/427 | 66-67 | 2.06/1.77 | 100cc Oval port L-34/L-35/L-36/L-68 |
| 3917215 | 396/427 | 67-69 | 2.06/1.77 | 100cc Oval port L-34/L-35 |
| 3917219 | 366/427 | 66-70 | 2.06/1.77 | Closed chamber Oval port |
| 3919840 | 396/427 | 67-69 | 2.06/1.77 | 107cc L-78/L-71/L-72 Rectangular port |
| 3919842 | 396/427 | 68-69 | 2.19/1.88 | 106cc L-88/L-89 Aluminum Rectangular port |
| 3931063 | 396/427 | 69-70 | 2.06/1.77 | 100cc Oval port L-34/L-35 |
| 3933148 | 366/396/427 | 69 | 2.06/1.77 | 122cc Oval port |
| 3933149 | 427 | 69-70 | 2.06/1.77 | 122cc Oval port |
| 3935401 | 427 | 68-76 | Oval Port Open chamber | |
| 3946074 | 396/454 | 69-71 | 2.19/1.88 | 118cc L-88/ZL-1 Aluminum Rectangular port |
| 3964280 | 427/454 | 66-70 | 2.06/1.77 | Closed chamber Oval port |
| 3964290 | 396/402/427/454 | 69-70 | 2.06/1.77 | 100cc Oval port |
| 3964291 | 396/402/427/454 | 69-70 | 2.19/1.88 | 108cc L-78/L-71/L-72/LS-6 Rectangular port 325cc intake |
| 3964292 | 454 | 70 | 2.19/1.88 | 109cc LS-6 Rectangular port |
| 3965198 | 396 | 69 | 2.06/1.77 | Open chamber Oval port |
| 3975950 | 366/427 | 68-70 | 2.06/1.77 | Closed chamber Oval port |
| 3986133 | 366/427 | 70-85 | 2.06/1.77 | Closed chamber Oval port |
| 3986136 | 366/427 | 70-84 | 2.06/1.77 | Closed chamber Oval port |
| 3993820 | 402/454 | 71 | 2.06/1.77 | 113cc Oval port |
| 3994025 | 454 | 71 | 2.19/1.88 | 118cc LS-6 Rectangular port |
| 3994026 | 454 | 71 | 2.19/1.88 | 118cc LS-6 Rectangular port |
| 3999241 | 402/454 | 72 | 2.06/1.77 | 113cc Oval port |
| 473328 | 366 | 68-85 | 2.06/1.77 | Open chamber Oval port |
| 6258723 | 454 | 71 | 2.19/1.88 | 118cc LS-6 Rectangular port |
| 6272292 | 402/454 | 71 | 2.06/1.77 | Open chamber Oval port |
| 6272990 | 454 | 71-94 | 2.19/1.88 | 118cc Replacement Rectangular port 325cc intake |
Use these casting numbers to identify the exhaust manifolds you have.
| Casting Number | Years | Engine | Side | Comments |
| 336706 | 74-78 | 350 | RH | |
| 336707 | 74-78 | 350 | LH | |
| 336708 | 74-78 | 350 | RH | |
| 336709 | 74-78 | 350 | RH | Camaro & Z-28 with A.I.R. |
| 336710 | 74-78 | 307, 350 & 400 | LH | Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. |
| 346222 | 74-80 | 307, 350 & 400 | RH | Chevelle, Camaro, Nova and Passenger with A.I.R. |
| 346247 | 75-77 | 262, 350 & 400 | LH | Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP |
| 346248 | 75-77 | 262, 350 & 400 | RH | Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP |
| 354432 | 75-76 | 262 | RH | 110 HP |
| 354433 | 75-76 | 262 | LH | 110 HP |
| 364753 | 76-80 | 307, 350 & 400 | LH | Camaro, Monte Carlo, Malibu and Passenger |
| 372243 | 74-83 | 307, 350 & 400 | RH | Corvette and Replacement manifold |
| 462697 | 77-79 | 267 & 305 | LH | Monte Carlo and Malibu |
| 462698 | 77-83 | 267 & 305 | RH | Monte Carlo and Malibu |
| 474008 | 78-82 | 267, 305 & 350 | RH | |
| 745994 | 80-86 | 267 & 305 | LH | |
| 3704791 | 55-56 | 265 | LH | Corvette and Passenger 195 HP |
| 3704792 | 55-56 | 265 | RH | Corvette and Passenger 195 HP |
| 3725563 | 56 | 265 | LH & RH | Corvette and Passenger 210 HP 2-Bolt Flange |
| 3731557 | 56 | 265 | LH | Corvette and Passenger 225 HP |
| 3731558 | 56 | 265 | RH | Corvette and Passenger 225 HP |
| 3732498 | 58 | 283 | RH | Corvette FI |
| 3733975 | 57 | 283 | LH | Corvette and Passenger 220, 245, 250, 270 & 283 HP |
| 3733976 | 57 | 283 | RH | Corvette and Passenger 220, 245, 250, 270 & 283 HP |
| 3737902 | 62-65 | 327 | RH | 300, 340, 360, 365 & 375 HP 2.5" Outlet |
| 3746563 | 65 | 327 | LH | 300 HP |
| 3747038 | 58-65 | 283 & 327 | RH | Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet |
| 3747042 | 58-68 | 283, 307 & 327 | RH | Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet |
| 3747938 | 64 | 327 | LH & RH | 250 & 300 HP |
| 3747942 | 65 | 327 | LH & RH | 250, 350 & 365 HP |
| 3749965 | 58-63 | 283 & 327 | LH | Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP |
| 3750556 | 58-65 | 283 & 327 | RH | Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP |
| 3780728 | 64-67 | 327 | LH | Chevy II |
| 3790729 | 64-67 | 283 & 327 | LH | 195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II |
| 3790730 | 64-65 | 283 & 327 | RH | 220, 250 & 300 HP 1.9" Outlet Chevy II |
| 3791162 | 65-66 | 283 & 327 | RH | Chevy II with AC |
| 3791182 | 66-67 | 283 & 327 | RH | Passenger with AC |
| 3797901 | 62-63 | 327 | LH | Corvette 300, 340 & 360 HP |
| 3797902 | 62-65 | 327 | RH | Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet |
| 3797942 | 63-65 | 327 | LH & RH | Corvette 300, 360, 365 & 375 HP 2.5" Outlet |
| 3834947 | 64-68 | 283, 307 & 327 | LH | Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet |
| 3836968 | 55-56 | 265 | RH | Corvette and Passenger 195 HP |
| 3837069 | 55 | 265 | LH | Corvette and Passenger 195 HP |
| 3840715 | 64 | 283 & 327 | LH | Chevelle |
| 3840912 | 64-68 | 283, 307, 327 & 350 | RH | Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet |
| 3846559 | 64-71 | 327 & 350 | LH | Corvette 250, 270, 300 & 350 HP 2.0" Outlet |
| 3846563 | 64-65 | 327 | LH | Corvette 300, 350 & 365 HP 2.5" Outlet |
| 3846659 | 66 | 327 | LH | 350 HP |
| 3849288 | 64-67 | 283 & 327 | RH | 195, 220, 275 & 350 HP 1.9" Outlet Chevy II |
| 3849290 | 64-67 | 283 & 327 | RH | 195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC |
| 3855163 | 65-68 | 283, 307 & 327 | LH | Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet |
| 3872723 | 66-67 | 283 & 327 | LH | 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. |
| 3872729 | 66 | 283 & 327 | LH | Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R. |
| 3872730 | 66-68 | 283, 302, 307 & 327 | RH | Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. |
| 3872738 | 66-67 | 283 & 327 | RH | 195, 220, 275 & 350 HP 1.9" Outlet Chevy II |
| 3872741 | 66-68 | 283, 307 & 327 | LH | Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R. |
| 3872765 | 67-71 | 327 & 350 | LH | Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R. |
| 3872778 | 66-68 | 283, 307 & 327 | RH | Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. |
| 3887186 | 66 | 283 | RH | 220 HP 1.9" Outlet |
| 3890424 | 64-67 | 283 & 327 | RH | Chevy II |
| 3892679 | 66-68 | 283, 302, 307, 327 & 350 | LH | Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet |
| 3892683 | 66-68 | 283, 302, 307, 327 & 350 | LH | Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet |
| 3893604 | 66-68 | 283 & 327 | RH | Passenger A.I.R. |
| 3893608 | 67-68 | 283, 302, 307, 327 & 350 | RH | Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet |
| 3896956 | 67-68 | 283 & 327 | RH | Truck |
| 3905364 | 69-72 | 307, 350 & 400 | RH | Truck |
| 3932376 | 69-70 | 307, 327, 350 & 400 | RH | Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet |
| 3932461 | 69-74 | 327 & 350 | LH & RH | Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. |
| 3932465 | 69-70 | 327, 350 & 400 | RH | Passenger 235, 250, 255, 265, 300 & 350 HP 1.9" Outlet |
| 3932469 | 69-70 | 327 & 350 | LH | Passenger 235, 250, 255 & 300 HP 2.0" Outlet |
| 3932473 | 69-70 | 327, 350 & 400 | LH | Passenger 235, 250, 255, 265 & 300 HP 2.0" Outlet |
| 3932481 | 69 | 350 | RH | Corvette |
| 3940972 | 67 | 350 | RH | Camaro 295 HP |
| 3942527 | 69-70 | 302, 307, 327 & 350 | LH | Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. |
| 3942529 | 69-70 | 302, 307, 327, 350 & 400 | LH | Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet |
| 3946826 | 69-70 | 302, 307, 327 & 350 | RH | Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. |
| 3959562 | 72-74 | 307, 350 & 400 | RH | Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. |
| 3973432 | 70-74 | 307, 350 & 400 | RH | Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet |
| 3986330 | 69-73 | 302, 307, 327 & 350 | RH | Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. |
| 3989036 | 71-75 | 350 | LH & RH | Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R. |
| 3989041 | 69-74 | 302, 307, 327, 350 & 400 | LH | Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R. |
| 3989043 | 70-73 | 307, 350 & 400 | LH | Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R. |
| 3989055 | 69-72 | 307, 350 & 400 | LH | |
| 3997742 | 71-78 | 307 & 350 | RH | 2.0" Outlet |
| 3998902 | 72-78 | 307 & 350 | RH | |
| 10045315 | 88-94 | 305 & 350 | LH | |
| 10045317 | 88-94 | 305 & 350 | LH | |
| 10045317 | 88-94 | 305 & 350 | LH | |
| 10046123 | 87-92 | 305 & 350 | LH | |
| 10046139 | 84-85 | 350 | LH | |
| 10046140 | 84-85 | 350 | RH | |
| 10055734 | 87-91 | 350 | RH | |
| 10092901 | 89-91 | 350 | LH | |
| 10092903 | 89-94 | 350 | LH | |
| 10092905 | 89-94 | 350 | LH | |
| 10108437 | 87-93 | 305 & 350 | RH | |
| 10128448 | 91-93 | 305 & 350 | LH | |
| 10128483 | 91-93 | 305 & 350 | LH | |
| 10166144 | 91-94 | 350 | RH | |
| 10166145 | 87-90 | 305 & 350 | LH | |
| 10166147 | 89-94 | 305 & 350 | LH | |
| 10166158 | 89-94 | 305 & 350 | RH | |
| 10168494 | 94 | 265 & 350 | LH | |
| 10207656 | 93-94 | 350 | LH | |
| 10207657 | 93 | 350 | RH | |
| 10433037 | 82-86 | 305 | LH | |
| 12550621 | 94 | 265 | RH | |
| 12550622 | 91 | 350 | RH | |
| 14007400 | 80-86 | 267 & 305 | LH | |
| 14014437 | 80-84 | 305 | LH | |
| 14014438 | 80-84 | 305 | RH | |
| 14014459 | 81-86 | 305 & 350 | LH | |
| 14014500 | 79-86 | 267, 305 & 350 | RH | |
| 14022625 | 80-81 | 305 | LH | |
| 14031361 | 82-86 | 305 | RH | |
| 14031376 | 81-86 | 350 | RH | |
| 14034069 | 81-86 | 350 | RH | |
| 14034075 | 81-86 | 305 & 350 | LH | |
| 14043373 | 82-86 | 305 | LH | |
| 14050233 | 83-86 | 305 & 350 | LH | |
| 14050282 | 83-87 | 305 & 350 | RH | |
| 14050287 | 82-86 | 305 | LH | |
| 14057029 | 84-85 | 350 | LH | |
| 14057030 | 84-85 | 350 | RH | |
| 14060630 | 81-86 | 350 | RH | |
| 14060633 | 81-86 | 305 & 350 | LH | |
| 14067365 | 77-86 | 267, 305, 350 & 400 | LH | |
| 14068667 | 85-88 | 350 | LH | |
| 14068670 | 85-88 | 350 | RH | |
| 14071200 | 83-86 | 305 | RH | |
| 14075611 | 83-86 | 305 | LH | |
| 14079295 | 85-86 | 305 & 350 | LH | |
| 14079296 | 85-86 | 305 & 350 | RH | |
| 14087511 | 86-91 | 350 | LH | |
| 14087512 | 86-91 | 350 | RH | |
| 14093653 | 87-90 | 305 & 350 | LH | |
| 14093654 | 87-90 | 305 & 350 | RH | |
| 14093655 | 87-90 | 305 & 350 | LH | |
| 14093658 | 88-94 | 305 & 350 | RH | |
| 14093660 | 87-90 | 305 & 350 | RH | |
| 14093682 | 87-90 | 305 & 350 | RH | |
| 14094045 | 87-90 | 305 & 350 | LH | |
| 14094063 | 87-92 | 305 & 350 | LH | |
| 14094064 | 87-92 | 305 & 350 | RH | |
| 14094065 | 85-88 | 350 | RH | |
| 14101054 | 87-88 | 305 & 350 | RH | |
| 14102016 | 88-94 | 305 & 350 | RH | |
| 14102018 | 89-94 | 305 & 350 | RH | |
| 14103206 | 87-91 | 305 & 350 | RH | |
| 14103207 | 87-91 | 305 & 350 | LH | |
| 329225 | 73-76 | 454 | LH | Chevelle and Passenger with and without A.I.R. |
| 353028 | 73-76 | 454 | LH | Chevelle and Passenger with and without A.I.R. |
| 353030 | 73-76 | 454 | LH | Police |
| 3732793 | 58-61 | 348 | LH | Passenger |
| 3732794 | 58-61 | 348 | RH | Passenger |
| 3767583 | 59-61 | 348 & 409 | LH | Passenger |
| 3767584 | 59-61 | 348 & 409 | RH | Passenger |
| 3814682 | 62-64 | 409 | RH | Passenger |
| 3814683 | 62-64 | 409 | LH | Passenger |
| 3822925 | 62-64 | 409 | LH | Passenger & Z-11 |
| 3822926 | 62-64 | 409 | RH | Passenger & Z-11 |
| 3855161 | 65 | 409 | LH | Passenger 340 & 400 HP |
| 3855162 | 65 | 409 | RH | Passenger 340 & 400 HP |
| 3856297 | 65 | 396 | LH | 325 HP |
| 3856301 | 65 | 396 | LH | 425 HP Corvette |
| 3856302 | 65 | 396 | RH | 425 HP Corvette |
| 3856306 | 65 | 396 | RH | Passenger 325 HP |
| 3857297 | 65 | 396 | LH | Passenger 325 HP |
| 3868874 | 65-66 | 396 | RH | Chevelle 325, 360 & 375 HP Z-16 |
| 3869925 | 65 | 396 | LH | Chevelle 375 HP Z-16 |
| 3872770 | 66 | 396 | RH | |
| 3880827 | 66-69 | 427 & 454 | LH | Corvette |
| 3880828 | 66-72 | 427 & 454 | RH | Corvette 270, 365, 390 & 425 HP with and without A.I.R. LS-5 & LS-6 |
| 3880869 | 70-72 | 454 | LH | Corvette 365 & 425 HP with and without A.I.R. LS-5 & LS-6 |
| 3883827 | 66 | 427 | LH | Passenger |
| 3883828 | 66 | 427 | RH | Passenger |
| 3883999 | 66 | 396 | LH | Chevelle 325, 360 & 375 HP |
| 3884504 | 66-67 | 396 & 427 | RH | Passenger 325, 385 & 390 HP |
| 3892307 | 66-67 | 396 & 427 | LH | Passenger 325 & 390 HP |
| 3902401 | 67 | 396 | LH | Chevelle |
| 3904399 | 66 | 396 | LH | |
| 3909879 | 67-70 | 396, 427 & 454 | LH | Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO |
| 3909880 | 67 | 396 | RH | Chevelle and Camaro 325, 350 & 375 HP |
| 3914613 | 68-70 | 396 & 427 | LH | Passenger 265, 325, 335, 345, 390 & 425 HP |
| 3916178 | 68-70 | 396, 427 & 454 | RH | Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6 |
| 3969869 | 70-74 | 454 | LH | Corvette 270, 365 & 390 HP with and without A.I.R. LS-5 |
| 3989310 | 71-72 | 402 & 454 | RH | Chevelle, Camaro, Monte Carlo and Passenger |
| 3989343 | 71-72 | 402 & 454 | LH | Chevelle, Camaro, Monte Carlo and Passenger |
| 3994045 | 73-75 | 454 | LH | Police |
Use these numbers to identify your stock Chevy intake.
| Casting Number | CID | Years | Type | Comments |
| 10051103 | 350 | 1990 | 4-Brl | Aluminum Bowtie Single plane |
| 10066013 | 350 | 87-89 | TPI | Corvette Base MASS air 9th injector style Aluminum heads (86 and older) |
| 10077151 | 305/350 | 90-92 | TPI | Plenum Speed density type |
| 10086016 | 305/350 | 90-92 | TPI | Base Speed density type (87 & UP intake bolt pattern) |
| 10108630 | 350 | 92-97 | MFI | LT-1 |
| 12550631 | 350 | 96 | MFI | LT-4 Power coated red |
| 12552138 | 265 | 93-96 | MFI | L-99 (lt-1 style 4.3L V-8) |
| 14007374 | 305 | 79-82 | 2-Brl | Aluminum |
| 14014432 | 350 | 1981 | 4-Brl | Aluminum Quadrajet Z-28 |
| 14057053 | 305/350 | 80-88 | 4-Brl | Aluminum Quadrajet |
| 14081006 | 350 | 87-89 | TPI | Corvette Plenum MASS air 9th injector style |
| 14096242 | 350 | 1990 | 4-Brl | Holley High rise Bowtie |
| 340261 | 350/400 | 74-76 | 4-Brl | Quadrajet |
| 340266 | 305/350/400 | 73-82 | 2-Brl | |
| 340281 | 305/350 | 82-85 | 4-Brl | Quadrajet |
| 346249 | 305/350/400 | 75-77 | 4-Brl | Quadrajet |
| 346250 | 305/350 | 76-82 | 4-Brl | Quadrajet |
| 346260 | 267/305/350 | 73-77 | 2-Brl | |
| 355943 | 262 | 1975 | 2-Brl | |
| 3704790 | 265 | 1955 | 2-Brl | |
| 3711348 | 265 | 1955 | 4-Brl | WCFB |
| 3728725 | 265 | 1956 | Dual Quad | Aluminum |
| 3731394 | 283 | 56-57 | Dual Quad | Aluminum |
| 3731398 | 283 | 1957 | 4-Brl | WCFB |
| 3732690 | 265/283 | 56-57 | 2-Brl | |
| 3732880 | 265/283 | 56-57 | 2-Brl | |
| 3735444 | 265 | 1956 | 2-Brl | |
| 3735448 | 265 | 1956 | 4-Brl | WCFB |
| 373598 | 305 | 78-81 | 2-Brl | Aluminum |
| 3737109 | 265 | 1956 | 4-Brl | WCFB |
| 3739653 | 283 | 58-61 | Dual Quad | Aluminum |
| 3741193 | 283 | 1957 | Fuel Injection | Aluminum |
| 3746826 | 265/283 | 56-63 | 2-Brl | |
| 3746829 | 283/327 | 58-64 | 4-Brl | WCFB |
| 3753809 | 283 | 59-62 | 2-Brl | |
| 3783244 | 327 | 62-63 | 4-Brl | WCFB |
| 3794129 | 327 | 1963 | 4-Brl | Aluminum |
| 3795397 | 327 | 1962 | 4-Brl | Aluminum |
| 3799349 | 327 | 62-64 | 4-Brl | Carter AFB |
| 3826810 | 327 | 63-65 | Fuel Injection | Aluminum |
| 3837109 | 265/283 | 56-57 | 4-Brl | WCFB |
| 3840905 | 283 | 64-65 | 2-Brl | |
| 3844457 | 283/327 | 64-65 | 4-Brl | WCFB |
| 3844459 | 327 | 63-65 | 4-Brl | Carter AFB |
| 3844461 | 327 | 64-65 | 4-Brl | Aluminum |
| 3866922 | 283/327 | 62-65 | 4-Brl | WCFB |
| 3872783 | 283/327 | 66-67 | 4-Brl | Holley |
| 3872788 | 238/327 | 66-67 | 4-Brl | Holley |
| 3875954 | 327 | 1966 | 4-Brl | Carter AFB |
| 3877652 | 283/327 | 65-67 | 2-Brl | |
| 3882858 | 283 | 1966 | 4-Brl | Carter AFB |
| 3890490 | 327 | 66-67 | 4-Brl | Aluminum |
| 3905393 | 327/350 | 1967 | 4-Brl | Quadrajet |
| 3910601 | 327 | 67-68 | 2-Brl | |
| 3916313 | 307/327/350/400 | 69-70 | 2-Brl | |
| 3917610 | 302 | 67-68 | 4-Brl | Aluminum |
| 3919801 | 307/327 | 1968 | 2-Brl | |
| 3919803 | 327/350 | 67-68 | 4-Brl | Quadrajet |
| 3927183 | 307/327 | 69-70 | 2-Brl | |
| 3927184 | 350 | 1969 | 4-Brl | Quadrajet |
| 3932472 | 302/350 | 69-70 | 4-Brl | Aluminum |
| 3941126 | 302 | 68-69 | Cross Ram | Aluminum base |
| 3941130 | 302 | 68-69 | Cross Ram | Aluminum top plate |
| 3958622 | 307/327 | 69-70 | 2-Brl | |
| 3958626 | 350 | 69-70 | 2-Brl | |
| 3959594 | 350 | 71-72 | 4-Brl | Aluminum |
| 3965577 | 350 | 1970 | 4-Brl | Quadrajet |
| 3972110 | 350 | 1970 | 4-Brl | Aluminum |
| 3972114 | 350 | 70-72 | 4-Brl | Aluminum |
| 3972116 | 350 | 1970 | 4-Brl | Aluminum Service replacement part |
| 3972361 | 350 | 1971 | 4-Brl | Aluminum |
| 3973465 | 307 | 69-71 | 2-Brl | |
| 3973467 | 350/400 | 1971 | 2-Brl | |
| 3973469 | 350 | 1971 | 4-Brl | Quadrajet |
| 3987361 | 350 | 69-70 | 4-Brl | Quadrajet |
| 3990948 | 350 | 1971 | 2-Brl | |
| 3991004 | 350 | 1973 | 4-Brl | Quadrajet |
| 3991005 | 307 | 1971 | 2-Brl | |
| 3997770 | 350 | 1973 | 4-Brl | Quadrajet |
| 3997771 | 350 | 1973 | 4-Brl | Quadrajet |
| 3997772 | 350 | 1973 | 2-Brl | |
| 3997773 | 350/400 | 1973 | 2-Brl | |
| 458520 | 305/350 | 77-82 | 4-Brl | Quadrajet |
| 458520 | 305/350 | 82-87 | 4-Brl | Aluminum |
| 6262928 | 307 | 1972 | 2-Brl | |
| 6262930 | 350 | 1972 | 4-Brl | Quadrajet |
| 6262936 | 307 | 1972 | 2-Brl | |
| 6263751 | 350 | 1972 | 4-Brl | Quadrajet |
| 6263752 | 350/400 | 1972 | 2-Brl | |
| 626932 | 350 | 71-72 | 4-Brl | Quadrajet |
| 6271060 | 307 | 1973 | 2-Brl | |
| 6271061 | 307 | 1973 | 2-Brl | |
| 7014360 | 283 | 1957 | Rochester FI | |
| 7014520 | 283 | 1957 | Rochester FI | |
| 7014800 | 283 | 57-58 | Rochester FI | |
| 7014800R | 283 | 1985 | Rochester FI | |
| 7014900 | 283 | 1958 | Rochester FI | |
| 7014900R | 283 | 1958-59 | Rochester FI | |
| 7014960 | 283 | 1958 | Rochester FI | |
| 7017200 | 283 | 59-61 | Rochester FI | |
| 7017250 | 283 | 59-61 | Rochester FI | |
| 7017300 | 283 | 59-60 | Rochester FI | |
| 7017300R | 283 | 1959 | Rochester FI | |
| 7017310 | 283 | 60-61 | Rochester FI | |
| 7017320 | 283 | 1960 | Rochester FI | |
| 7017355 | 327 | 1962 | Rochester FI | |
| 7017360 | 327 | 1962 | Rochester FI | |
| 7017375 | 327 | 1963 | Rochester FI | |
| 7017375R | 327 | 1964 | Rochester FI | |
| 7017380 | 327 | 64-65 | Rochester FI | |
| 336789 | 454 | 74 | Q-jet | Oval port |
| 346242 | 454 | 75 | Q-jet | Oval port |
| 353015 | 454 | 73 | Q-jet | Oval port |
| 3732757 | 348 | 58-62 | 4-Brl | |
| 3749948 | 348 | 58-61 | Three duce | |
| 3753748 | 348 | 60-61 | Dual quad | Aluminum |
| 3760436 | 348 | 58-59 | 4-Brl | |
| 3767579 | 348/409 | 61 | 4-Brl | |
| 3770084 | 348 | 58-59 | 4-Brl | |
| 3772265 | 348 | 60-61 | 4-Brl | |
| 3780540 | 348 | 58-59 | 4-Brl | Aluminum |
| 3797775 | 348 | 59-60 | 4-Brl | |
| 3797776 | 409 | 61 | 4-Brl | |
| 3813678 | 409 | 62-63 | 4-Brl | |
| 3814881 | 409 | 62-64 | Dual quad | Aluminum |
| 3830623 | 409 | 63 | Dual quad | Aluminum Z-11 |
| 3830831 | 409 | 63 | 4-Brl | 340HP |
| 3844463 | 409 | 64-65 | 4-Brl | 400HP |
| 3844464 | 409 | 64-65 | 4-Brl | 340HP |
| 3844472 | 348/409 | 62-65 | 4-Brl | |
| 3856289 | 396 | 65-66 | Q-jet | Oval port L-35 |
| 3866948 | 396/427 | 66-67 | Holley | Oval port L-34/L-35 |
| 3866963 | 396 | 65 | Holley | Rectangular port Aluminum L-37 |
| 3883984 | 396/427 | 66-68 | Q-jet | Oval port L-35/L-36 |
| 3885069 | 396/427 | 66-68 | Holley | Rectangular port Aluminum L-78/L-72 |
| 3886093 | 427 | 67 | Holley | Rectangular port Aluminum L-88 |
| 3894374 | 427 | 67 | Three duce | Rectangular port Aluminum L-71 |
| 3894382 | 427 | 67 | Three duce | Oval port Aluminum L-68 |
| 3919849 | 427 | 68 | Q-jet | Oval port Aluminum L-36 |
| 3919850 | 427 | 68 | Three duce | Oval port Aluminum L-68 |
| 3919852 | 427 | 68 | Three duce | Rectangular port Aluminum L-71 |
| 3919878 | 396/427 | 68 | Holley | Rectangular port Aluminum L-78/L-72 |
| 3931067 | 396/427 | 69 | Q-jet | Oval port L-35/L-36 |
| 3933163 | 396/427 | 68-69 | Holley | Rectangular port Aluminum L-78/L-89 COPO |
| 3933198 | 427 | 68-69 | Holley | Rectangular port Aluminum L-88/ZL-1 |
| 3937793 | 427 | 68 | Q-jet | Oval port Aluminum L-36 |
| 3937795 | 427 | 69 | Three duce | Oval port Aluminum L-68 |
| 3937797 | 427 | 69 | Three duce | Rectangular port Aluminum L-71 |
| 393841 | 454 | 73-75 | Q-jet | Oval port |
| 3947801 | 427 | 69 | Q-jet | Oval port Aluminum L-36 |
| 3952900 | 396 | 69 | 2-Brl | Oval port |
| 3955287 | 402/454 | 70-71 | Q-jet | Oval port LS-3/LS-5 |
| 3963569 | 396/402/454 | 70-71 | Holley | Rectangular port Aluminum Low rise L-78/L-89/LS-6 |
| 3967474 | 454 | 71 | Holley | Rectangular port Aluminum |
| 6263753 | 402/454 | 72 | Q-jet | Oval port LS-3/LS-5 |
| 6269318 | 454 | 72 | Holley | Rectangular port Aluminum |