ACL Bearings 4B610A-STD Connecting Rod Bearing Set Standard Size

The ACL Bearings 4B610A-STD is a standard size connecting rod bearing set engineered for high-performance and racing applications. Part of ACL's renowned Race Series lineup, these bearings feature advanced tri-metal construction with a hardened steel backing designed to withstand extreme RPM conditions, high stress loads, and elevated temperatures.

Key Features:

• Tri-metal construction with hardened steel backs for improved bearing lining support and retention
• High-strength overlay plate with reduced thickness for enhanced fatigue resistance
• Increased crush factor ensures superior bearing retention in the housing
• No flash plating on bearing backs improves heat transfer and maximizes grip
• Increased eccentricity compensates for bore distortion at high RPM
• Enlarged chamfers accommodate performance crankshafts with larger fillet radii
• Tight wall tolerances maintain consistent bearing clearances
• Precision machined to micron-level tolerances for reliable fitment

ACL Race Series bearings are trusted by professional engine builders and have been proven in championship-winning engines across multiple motorsports disciplines, from drift racing to NASCAR competition. These bearings deliver the durability and performance demanded by serious enthusiasts and racers.