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OE Part Number:
- Rod Bearings:CR807SI CB663 CB-663P CB663P 8-2555A
- Main Bearings:MS-2199A MS2199A MB5293SI MS2199P MS-2199P 7298MA
Fitment:
- Compatible with Chevrolet 5.7L LS1, LS6 1997-2005
- Compatible with Chevrolet 4.8L, 5.3L, and 6.0L, includes Vortec series 1999-2013
- Compatible with Chevrolet 6.2L LS3 2008-2013
Package Includes:
1Pcs*Main Bearings
1Pcs*Rod Bearing
Installation:
The main bearing is an important bearing between the crankshaft and the frame, it is one of the most important bearings in the engine, the main role is to support the crankshaft, reduce wear, reduce noise.
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): .805 Inch.
Maximum Length (Pos 3): 1.0280 Inch.
Rod Bearing Specifications:
Max Wall Thickness: .0620 Inch.
Rod Housing Bore: 2.2247/2.2252 Inch.
Maximum Length: .842 Inch.
Rod Journal Size: 2.0990/2.1000 Inch.
tony
Reviewed in the United States on March 10, 2025
So far so good looks to be good quality
justin
Reviewed in the United States on February 5, 2025
These bearings should not be used. i installed these bearings and the crank would no longer move freely. come to find out the bearings are way to wide and will cause issues if you run these bearings.
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