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ACL Race Series Main Bearings for GM LS Engines

Upgrade your GM LS Gen III or Gen IV engine with the ACL Race Series .025mm (.001") undersize main bearing set. These precision-engineered bearings feature a 270-degree oil groove, ensuring optimal lubrication for high-performance street and track applications. Whether you are rebuilding a Silverado truck engine or a high-output Cadillac performance motor, these bearings provide the stability and longevity you demand.

Key Features

• Engineered for Performance: Built to withstand the rigors of high-performance driving and racing.
• Precision Sizing: .025mm undersize for precise clearance on machined crankshafts.
• Improved Lubrication: 270-degree oil groove design maximizes oil distribution to the main journals.
• Broad Compatibility: Fits a wide range of GM LS-based engines including 4.8L, 5.3L, 5.7L, and 6.0L variants.

The LS platform is renowned for its potential, and these ACL bearings are the perfect choice to ensure your rotating assembly stays secure. By reducing friction and improving heat dissipation, these bearings help extend the life of your engine under heavy load. Trust in the proven quality of ACL to keep your GM vehicle running at peak performance. For all your engine component needs, rely on the experts at GGCRACING.