ACL Bearings 8B743PO/S2-40 Performance Connecting Rod Bearing Set

The ACL Bearings 8B743PO/S2-40 is a high-performance connecting rod bearing set engineered for demanding engine applications. This bearing set features ACL's Race Series construction with advanced tri-metal composition for superior strength and durability under extreme loads and high RPM conditions.

Key Features:

• Tri-metal construction with hardened steel backing for maximum strength
• Proprietary polymer coating (PO designation) reduces friction and wear during initial break-in
• Standard size with 0.040" oversized outside diameter (S2-40 specification)
• Precision-engineered oil clearances for optimal lubrication
• Enhanced fatigue resistance for high-performance and racing applications
• Manufactured to strict OE tolerances with race-proven materials

ACL Race Series bearings are the choice of professional engine builders and racing teams worldwide. The polymer coating provides critical protection during engine assembly and initial startup, while the tri-metal design delivers exceptional durability and load-carrying capacity throughout the bearing's service life.