ACL Bearings 4B1720-010 Race Series Connecting Rod Bearing Set .010 Undersize

The ACL Bearings 4B1720-010 is a high-performance connecting rod bearing set designed for demanding race and street applications. This Race Series bearing features a trimetal design with a high-strength overlay plate with reduced thickness for improved fatigue resistance, backed by hardened steel for enhanced support and retention under extreme conditions.

Key Features:

• .010 inch undersize for use with ground crankshafts
• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing
• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing
• Precision-engineered for proper oil clearance and optimal bearing crush
• Tri-metal construction for superior durability and wear resistance

ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world, with Race Series rod and main bearings as standard components in Race engines that have set records and won championships from Mexico to Bonneville. These bearings deliver the reliability and performance required for high-RPM, high-load conditions in both race and performance street applications.