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The ACL Race Series main bearing set for GM LS Gen III/IV engines in .010 oversize features a 120-degree oil groove and is provided for journal undersize of .25mm (0.010"). This bearing set supports LS rebuilds requiring a larger clearance and maintains the oil groove design that helps manage oil supply under higher loads and modified engine conditions.
ACL Chevy V8 LS Gen III/IV .010 Oversized Main Bearing Set
