Big Block Chevrolet Engine Crankshaft Specifications
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Big Block Chevrolet Crankshaft Specifications
| Casting # | Engine | Forged/Cast | Stroke | Rear Main Seal | Notes |
| 6223 |
396 / 402 / 427 |
Forged |
3.76" Stroke |
2-piece |
1053 steel |
| 7115 |
396 / 402 / 427 |
Forged |
3.76" Stroke |
2-piece |
Nitrided, cross drilled, 5140 steel |
| 3804816 |
396 / 402 / 427 |
Cast |
3.76" Stroke |
2-piece |
|
| 3856223 |
396 |
Forged |
3.76" Stroke |
2-piece |
|
| 3863114 |
402 |
|
3.76" Stroke |
2-piece |
|
| 3863144 |
396 / 402 |
|
3.76" Stroke |
2-piece |
|
| 3874874 |
396 / 402 |
|
3.76" Stroke |
2-piece |
|
| 3879621 |
427 |
Forged |
3.76" Stroke |
2-piece |
|
| 3882841 |
396 |
Forged |
3.76" Stroke |
2-piece |
cross drilled, nitrided |
| 3882842 |
427 |
Forged |
3.76" Stroke |
2-piece |
cross drilled, nitrided |
| 3882847 |
|
|
3.76" Stroke |
2-piece |
|
| 3882848 |
|
|
3.76" Stroke |
2-piece |
|
| 3882849 |
427 |
Forged |
3.76" Stroke |
2-piece |
|
| 3887114 |
396 |
Forged |
3.76" Stroke |
2-piece |
nitrided, 5140 steel |
| 3904815 |
366T / 396 / 402 / 427T |
|
3.76" Stroke |
2-piece |
|
| 3941180 |
|
|
3.76" Stroke |
2-piece |
|
| 3942411 |
|
|
3.76" Stroke |
2-piece |
|
| 3965746 |
|
Forged |
3.76" Stroke |
2-piece |
Semi Finished, Forged |
| 3993804 |
|
Forged |
3.76" Stroke |
2-piece |
Raw, 5140 steel |
| 10114186 |
427T |
Forged |
3.76" Stroke |
1-piece |
1053 steel 1991 up Gen.V and Gen.VI |
| 10114187 |
366T |
Cast |
3.76" Stroke |
1-piece |
1991 Gen.V and Gen.VI |
| 3520 |
454 |
Forged |
4.00" Stroke |
2-piece |
Cross drilled. 1053 steel |
| 3521 |
454 |
Forged |
4.00" Stroke |
2-piece |
Cross drilled, 5140 |
| 3524 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 7416 |
454 |
Forged |
4.00" Stroke |
2-piece |
Cross drilled, 1053 steel |
| 7463 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 336782 |
454 |
Cast |
4.00" Stroke |
2-piece |
|
| 353039 |
454 |
Cast |
4.00" Stroke |
2-piece |
|
| 353638 |
454 |
|
4.00" Stroke |
2-piece |
|
| 359730 |
454 |
|
4.00" Stroke |
2-piece |
|
| 3962523 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 3963523 |
454 |
|
4.00" Stroke |
2-piece |
|
| 3963524 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 3967416 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 3967463 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 3975945 |
454 |
|
4.00" Stroke |
2-piece |
|
| 3963521 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 3965753 |
454 |
Forged |
4.00" Stroke |
2-piece |
cross drilled, 5140 steel |
| 3975495 |
454 |
|
4.00" Stroke |
2-piece |
Semi-finished, 5140 steel |
| 3993878 |
454 |
Forged |
4.00" Stroke |
2-piece |
|
| 10051169 |
454 |
Forged |
4.00" Stroke |
2-piece |
Raw casting |
| 10114188 |
454 |
Cast |
4.00" Stroke |
1-piece |
1991 and up Gen.V and VI |
| 14097044 |
454 / 502 |
Forged |
4.00" Stroke |
1-piece |
1053 steel, 1991 and up Gen.V and VI |
Rating: 4.17 (54 Votes)
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