Fitment:
Fit for Chevrolet 5.7L LS1, LS6 1997-2005
Fit for Chevrolet 4.8L, 5.3L, and 6.0L, includes Vortec series 1999-2013
Fit for Chevrolet 6.2L LS3 2008-2013
Replace Part Number:
Rod Main Bearings Replace for CR807SI, CB663, CB-663P, CB663P, 8-2555AMS-2199A
Main Bearings Replace for MS2199A, MB5293SI, MS2199P, MS-2199P, 7298MA
Main Bearing Specifications
Main Housing Bore: 2.7509/2.7515 Inch
Main Journal Size (Pos 1-2-4-5): 2.5588/2.5593 Inch
Main Journal Size (Pos 3, Flanged): 2.5588/2.5593 Inch
Max Wall Thickness: .0957 Inch
Maximum Length (Pos 1-2-4-5): 0.805 Inch
Maximum Length (Pos 3): 1.0280 Inch
Rod Bearing Specifications:
Max Wall Thickness: 0.0620 Inch
Rod Housing Bore: 2.2247/2.2252 Inch
Maximum Length: 0.842 Inch
Rod Journal Size: 2.0990/2.1000 Inch
Please check part numbers and models for fitment before purchase.