ACL Bearings 6B1228PO/S2-20 Performance Connecting Rod Bearing Set

The ACL Bearings 6B1228PO/S2-20 is a high-performance connecting rod bearing set engineered for demanding applications. This Race Series bearing features ACL's PO/S2 designation, indicating performance-oriented construction with additional oil clearance for optimal lubrication under high-RPM conditions.

Key Features:

• Race Series trimetal bearing construction for superior durability
• Extra oil clearance design (.001" additional clearance) for enhanced lubrication
• .020" undersize for use with reground crankshafts
• High-strength overlay plate with reduced thickness for improved fatigue resistance
• Hardened steel backing for improved bearing retention
• Increased crush for better housing retention
• Tight wall thickness tolerances for consistent clearances
• Dark tarnished finish from electroplating process

ACL Race Series bearings are designed to withstand the extreme demands of high-performance and racing applications. These bearings feature hardened steel backs and elimination of flash plating to improve heat transfer and maximize grip between the bearing and housing. The undersize configuration makes this bearing set ideal for engine rebuilds requiring crankshaft machining.