Crankshaft Casting Numbers

#ManufacturerNumberYearMain JournalRod JournalStrokeCidNotes 
1Cadillac14864241968 – 744.060″472
2Cadillac14950941970 – 764.304″500
3Cadillac14967931970 – 764.304″500
4Cadillac16091421980 – 854.060″368
5Cadillac1609142R1977 – 794.060″425
6Chevrolet101061222.76″3.66″350Forged, 1 piece rear main seal, ZR1-LT5
7Chevrolet10168568Medium3.00″265Cast, 1 piece rear main seal
8Chevrolet1130Medium3.25″327Forged, 2 piece rear main seal
9Chevrolet1178Medium3.00″302Forged, 2 piece rear main seal
10Chevrolet1181Medium3.48″302/350Cast, 2 piece rear main seal
11Chevrolet1182Medium3.48″350Forged, 2 piece rear main seal
12Chevrolet125522151999 – 20003.622″6.0NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
13Chevrolet125522161997 – 20053.622″5.3, 5.7, 6.02010-13 L94, L9H, 2007-08 L92, 2009 L9H, LATE 09…
14Chevrolet125533121999 – 20003.268″4.8NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
15Chevrolet125534821999 – 20073.268″4.8NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
16Chevrolet125593561999 – 20043.268″4.8NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
17Chevrolet125593571999 – 20043.622″5.3NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
18Chevrolet125745222004 – 20073.622″5.3NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
19Chevrolet125745232004 – 20073.268″4.8NODULAR IRON WITH UNDERCUT AND ROLLED FILLETS,…
20Chevrolet125986102009 – 20113.622″6.2FORGED STEEL WITH UNDERCUT AND ROLLED FILLETS,…
21Chevrolet126036162009 – 20113.622″6.2(2009-EARLY 11 LSA, FORGED STEEL WITH UNDERCUT…
22Chevrolet126116492006 – 20114.000″7.02006-EARLY 11 LS7, FORGED STEEL WITH UNDERCUT AND…
23Chevrolet126416912011 – 20153.622″6.2LATE 2011-CURRENT LSA, FORGED STEEL WITH UNDERCUT…
24Chevrolet126416922011 – 20154.000″7.02006-EARLY 11 LS7, FORGED STEEL WITH UNDERCUT AND…
25Chevrolet126416932011 – 20133.622″6.2FORGED STEEL WITH UNDERCUT AND ROLLED FILLETS,…
26Chevrolet14088526Medium3.48″305/350Cast, 1 piece rear main seal
27Chevrolet140885321986 – 882.452.103.48″350Forged, 1 piece rear main seal
28Chevrolet14088535Medium3.48″305/350Cast, 1 piece rear main seal
29Chevrolet14088552Medium3.48″350Forged, 1 piece rear main seal
30Chevrolet191716194.000″LSX Chevrolet Performance, 4340 FORGED STEED WITH…
31Chevrolet192440184.125″LSX Chevrolet Performance, 4340 FORGED STEED WITH…
32Chevrolet2680Small3.25″327Forged, 2 piece rear main seal
33Chevrolet2690Medium3.48″350Forged, 2 piece rear main seal
34Chevrolet310514Medium3.48″350Cast, 2 piece rear main seal
35Chevrolet32791968 – 692.452.103.00″302/350Forged, 2 piece rear main seal
36Chevrolet330550Medium3.48″350Cast, 2 piece rear main seal
37Chevrolet3544311975 – 762.4502.1003.10″262Cast, 2 piece rear main seal
38Chevrolet3727449Small3.00″283Forged, 2 piece rear main seal
39Chevrolet37294491955 – 672.3002.0003.00″265Forged, 2 piece rear main seal
40Chevrolet3734627Small3.25″327Forged, 2 piece rear main seal
41Chevrolet3735236Small3.00″265/283Forged, 2 piece rear main seal
42Chevrolet3735263Small3.00″283Forged, 2 piece rear main seal
43Chevrolet37826801962 – 672.3002.0003.25″327Forged, 2 piece rear main seal
44Chevrolet381467119682.452.103.25″327Forged, 2 piece rear main seal
45Chevrolet381582219672.3002.0003.00″265/283/302Forged, Tufftrided, 2 piece rear main seal,…
46Chevrolet3835236Small3.00″283Forged, 2 piece rear main seal
47Chevrolet3836266Small3.00″283Forged, 2 piece rear main seal
48Chevrolet3848847Small3.00″283Forged or cast, 2 piece rear main seal
49Chevrolet3876764Small3.00283Forged 2 piece rear main seal
50Chevrolet3876768Small3.00″283Forged, 2 piece rear main seal
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