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ACL Race Series main bearing set fits Chevrolet V8 4.8/5.3/5.7/6.0L applications and is offered in standard size. The GM LS Gen III–IV main bearings feature a 270° oil groove and provide an extra .025 mm (0.001") oil clearance per the product description. These bearings are specified for race-series rebuilds where the LS Gen III–IV crank and block compatibility is required.
ACL Chevy V8 4.8/5.3/5.7/6.0L Race Series Standard Size Main Bearing Set
