Dedicated to the preservation and enjoyment of all stock,
modified, and custom 1964 - 1987 Chevelles & El Caminos
Chevy Big Block Casting Numbers
| Casting # | CID | Year | Model Applications | Comments |
|---|---|---|---|---|
| 340220 | 427 | 68-76 | Truck | |
| 361959 | 454 | 73-75 | Chevelle | |
| 361959 | 454 | 73-76 | Passenger | |
| 361959 | 454 | 75-85 | Truck | Light Duty |
| 364776 | 427 | 68-84 | Truck | Heavy Duty |
| 364779 | 366 | 68-88 | Truck | Heavy Duty |
| 473478 | 427 | 68-84 | Truck | Heavy Duty |
| 3732811 | 348 | 58 | Passenger | |
| 3751872 | 348 | 58 | Passenger | |
| 3755011 | 348 | 59-61 | Passenger | |
| 3771705 | 348 | 59-61 | Truck & Replacement | |
| 3782870 | 427 | 68-76 | Truck | |
| 3788068 | 409 | 62 | Passenger | |
| 3795623 | 409 | 61 | Passenger | |
| 3798962 | 348 | 62-65 | Truck & Replacement | Has X on Block |
| 3830814 | 409 | 63 | Passenger | Has X on Block |
| 3844422 | 409 | 64 | Passenger | Has X on Block |
| 3855961 | 396 | 65-67 | Passenger | 325 HP,2 bolt mains |
| 3855961 | 427 | 66 | Corvette | 390,425 HP,2 & 4 bolt mains |
| 3855961 | 396 | 66 | Chevelle | 325,360,375 HP |
| 3855961 | 396 | 68-69 | Truck | Light Duty |
| 3855962 | 396 | 65 | Corvette,Passenger | 425 Hi-Perf |
| 3855962 | 396 | 65 | Chevelle | Z16 Hi-Perf |
| 3855962 | 396 | 66 | Passenger | 375 HP,Hi-Perf |
| 3855962 | 396 | 66 | Chevelle | 360 HP,4 bolt main |
| 3857655 | 348 | 62-65 | Truck | Has X on Block |
| 3857656 | 409 | 65 | Passenger | Has X on Block |
| 3869942 | 427 | 66 | Corvette & Passenger | 390,425 HP |
| 3902406 | 396 | 67 | Chevelle | 2 & 4 Bolt Main |
| 3902406 | 396 | 67 | Camaro | 2 & 4 Bolt Main |
| 3902406 | 396 | 67 | Passenger | 2 & 4 Bolt Main |
| 3902466 | 396 | 66-69 | Passenger,Chevelle | |
| 3902466 | 396 | 67-69 | Camaro | |
| 3902466 | 396 | 68-68 | Nova | |
| 3904351 | 427 | 67 | Passenger | 385 HP |
| 3904351 | 427 | 67 | Corvette | 390,400,430,435 HP |
| 3904354 | 366 | 66-67 | Truck | |
| 3916319 | 366 | 68-85 | Truck | Heavy Duty |
| 3916321 | 427 | 67 | Corvette | Late 1967 |
| 3916321 | 427 | 68 | Passenger | 2 & 4 Bolt Main |
| 3916321 | 427 | 68 | Corvette | 390,400,430,435 HP |
| 3916323 | 396 | 68 | Chevelle | 2 & 4 Bolt Main 325,350,375 HP |
| 3916323 | 396 | 68 | Camaro | 325,350,375 HP |
| 3916323 | 396 | 68 | Nova | 325,350,375 HP |
| 3916323 | 396 | 68 | Passenger | 2 Bolt Main |
| 3925521 | 366 | 68-85 | Truck | Heavy Duty |
| 3935439 | 427 | 68 | Corvette | 430,435 HP |
| 3935439 | 427 | 69 | Passenger | 385,425 HP |
| 3935439 | 427 | 69 | Corvette | 390,400,430,435 HP |
| 3935440 | 396 | 68 | Pass,Chevelle,Camaro,Nova | |
| 3937724 | 366 | 68-85 | Truck | Heavy Duty |
| 3937726 | 427 | 68-84 | Truck | Heavy Duty |
| 3955270 | 427 | 69 | Corvette | 390,400,430,435 HP |
| 3955270 | 427 | 69 | Passenger | 385,425 HP |
| 3955272 | 396 | 68-69 | Truck | Light Duty |
| 3955272 | 396 | 69 | Pass,Chevelle,Camaro,Nova | |
| 3955272 | 402 | 70-72 | Truck | Light Duty |
| 3955274 | 366 | 68-85 | Truck | Heavy Duty |
| 3955276 | 427 | 68-84 | Truck | Heavy Duty |
| 3963512 | 427 | 68-69 | Passenger | 385,425 HP |
| 3963512 | 427 | 69 | Chevelle,Camaro | COPO (Central Office Production Order) |
| 3963512 | 427 | 69 | Corvette | Late 69 |
| 3963512 | 454 | 70 | Corvette,Passenger | 360,390 HP |
| 3963512 | 454 | 70 | Chevelle | LS-6 450 HP |
| 3963512 | 454 | 70-71 | Pass,Chevelle, Monte Carlo | |
| 3963512 | 454 | 71 | Corvette | 365,425 HP |
| 3963513 | 454 | 73-75 | Chevelle | |
| 3963513 | 454 | 73-76 | Passenger | |
| 3968854 | 396 | 68-69 | Truck | Light Duty |
| 3968854 | 396 | 68-69 | Pass,Chevelle,Camaro,Nova | |
| 3968854 | 402 | 70-72 | Pass,Chevelle,Camaro,Nova | |
| 3968854 | 402 | 70-72 | Truck | Light Duty |
| 3968852 | 366 | 68-85 | Truck | Heavy Duty |
| 3968854 | 402 | 69-72 | Pass,Chevelle,Camaro | 4 bbl Carb,2 & 4 Bolt Main |
| 3968854 | 402 | 70 | Nova | 2 & 4 Bolt Main |
| 3968854 | 400/402 | 70-72 | Truck | 2 & 4 Bolt Main |
| 3969858 | 427 | 68-84 | Truck | Heavy Duty |
| 3995623 | 409 | 61 | Passenger | all |
| 3999289 | 454 | 72 | Corvette | 270 HP |
| 3999289 | 454 | 72-75 | Chevelle | |
| 3999289 | 454 | 72-76 | Passenger | |
| 3999289 | 454 | 73-79 | Truck | |
| 3999290 | 396 | 68-69 | Truck | Light Duty |
| 3999290 | 400/402 | 70-72 | Truck | |
| 3999290 | 402 | 70-72 | Truck | Light Duty |
| 3999290 | 402 | 72 | Pass,Chevelle,Camaro,Nova | |
| 3999290 | 402 | 72 | Pass,Chevelle,Camaro,Nova | 4 bc |
| 3999293 | 366 | 68-85 | Truck | Heavy Duty |
| 3999293 | 454 | 73-75 | Pass,Chevelle | |
| 3999294 | 427 | 68-84 | Truck | Heavy Duty |
| 6272177 | 402 | 72-73 | ||
| 14015445 | 454 | 75-87 | Truck | Light Duty |
Big Block Quick Facts
Copied from Chevrolet Big Block Parts Interchange Manual Magazine
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