ACL Bearings 5M7298H-01 Race Series Main Bearing Set for Chevy LS Engines

The ACL Bearings 5M7298H-01 is a high-performance Race Series main bearing set engineered specifically for Chevrolet LS engine platforms, including 4.8L, 5.3L, 5.7L LS1/LS6, 6.0L LS2, and 6.2L LS3 applications. This bearing set features .001" (0.025mm) undersize dimensions for achieving tighter clearances and improved oil film control in performance applications.

Race Series Performance Features:

• Tri-metal construction with steel backing and copper-lead-tin overlay for exceptional strength and seizure resistance
• Increased eccentricity design compensates for bore distortion during high-speed operation
• Chamfered edges accommodate larger fillet radii on performance crankshafts
• Manufactured to exacting micron-level tolerances for consistent wall thickness and crush specifications
• No flash plating for improved bearing retention and maximum heat transfer
• Enhanced radial contact pressure locks bearings securely into housing
• Designed for extreme endurance under high RPM and high boost conditions

ACL Race Series bearings are recognized throughout the motorsports world and are used in championship-winning engines across NASCAR, NHRA, IHRA, and sport compact racing. These bearings deliver the reliability and performance that professional engine builders demand when standard bearings cannot meet the challenge.