ACL Bearings 8B663HC-010 Race Series Rod Bearing Set .010 Undersize CT-1 Coated Small Block Chevy LS

The ACL Bearings 8B663HC-010 is a high-performance connecting rod bearing set engineered for Chevrolet Small Block V8 and LS engines. This Race Series bearing set features .010 inch undersize dimensions for reground crankshafts and is coated with Calico's premium CT-1 dry film lubricant for enhanced protection and reduced friction.

Key Features:

• Tri-metal construction with high-strength overlay plate for superior fatigue resistance
• CT-1 coating provides intermittent dry lubrication and reduces friction during critical startup and high-stress conditions
• Hardened steel backing improves bearing retention and structural support
• Enlarged chamfers on bearing edges provide clearance for aftermarket crankshafts with larger fillet radii
• Increased crush design for improved bearing retention in the housing
• Precision-engineered wall thickness of 0.0619 inches with tight tolerances
• Bearing width: 0.837 inches, Outside diameter: 2.2252 inches

Applications: Compatible with Chevrolet Small Block 262, 267, 302, 305, 307, 327, 350, and 400 cubic inch V8 engines, as well as LS Gen III and Gen IV engines including 4.8L, 5.3L, 5.7L LS1/LS6, 6.0L LS2, and 6.2L LS3.

ACL Race Series bearings are proven in championship-winning engines across NASCAR, NHRA, IHRA, and other professional racing series. The unique combination of advanced metallurgy, precision manufacturing, and Calico's CT-1 coating technology delivers the durability and performance required for high-RPM racing applications and demanding street performance builds.