ACL Bearings 8B1663HC-010 High-Performance Coated Main Bearing Set

The ACL Bearings 8B1663HC-010 is a high-performance coated main bearing set designed for special racing applications in Chevrolet V8 engines. This precision-engineered bearing set features ACL's advanced Race Series coating technology for enhanced durability and performance under extreme operating conditions.

Key Features:

• High-performance Race Series coating for reduced friction and increased wear resistance
• 0.010" undersize for journal refinishing and clearance optimization
• Engineered specifically for Chevrolet V8 racing applications
• Tri-metal construction with enhanced fatigue resistance
• Precision tolerances for optimal oil clearance control
• Designed to withstand high RPM and extreme cylinder pressures

ACL Race Series bearings utilize advanced coating technology that provides a low-friction surface while maintaining superior load-carrying capacity. The undersize dimension allows machinists to restore worn crankshaft journals while maintaining proper oil clearances. Ideal for competitive racing engines, high-performance street builds, and engine rebuilds requiring undersized bearings.