Crankshafts
SBC Crankshaft
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
BBC Crankshaft
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