ACL Race Series Main Bearings for Chevrolet V8 396/402/427/454 Standard Size ...

ACL Race Series Main Bearings for Chevrolet V8 396/402/427/454 — Standard Size with Extra Oil Clearance. Engineered for high-performance and competition use, these main bearings deliver reliable crank support under extreme RPM and load conditions. Key Features Precision Fit: Standard size bearings manufactured to exact OEM dimensions for seamless installation. Extra Oil Clearance: Optimized clearance to improve oil film stability and reduce hydrodynamic drag during high-speed operation. Race-Grade Materials: Multi-layer construction with a fatigue-resistant steel backing and a high-strength overlay for superior wear protection. Durability Under Stress: Designed to withstand elevated temperatures, heavy loads, and aggressive tune-ups common in racing applications. Direct Fit: Formulated specifically for Chevrolet big-block V8 engines 396, 402, 427, and 454. Benefits Improved crankshaft stability and reduced bearing wear during sustained high RPM. Enhanced oiling reliability with extra clearance for race-spec lubrication strategies. Easy installation with OEM-compatible dimensions. Choose ACL Race Series main bearings for proven performance, protection, and peace of mind in Chevrolet big-block racing builds. Ideal for builders and racers seeking dependable crank support under demanding conditions.