ACL Bearings 4B1623PO/S2-.50 Connecting Rod Bearing Set Standard Size

The ACL Bearings 4B1623PO/S2-.50 is a precision-engineered connecting rod bearing set designed for high-performance engine builds and rebuilds. These con rod bearings feature ACL's advanced tri-metal construction with a steel backing, copper-lead intermediate layer, and a specialized overlay for superior load capacity and wear resistance.

Key Features:

• Standard size (-.50mm undersized crank journals)
• Tri-metal construction for maximum durability and load capacity
• Precision-manufactured to OE specifications or better
• Enhanced overlay material for improved embedability and seizure resistance
• Optimized oil clearances for proper lubrication
• Performance-grade construction suitable for street and racing applications

ACL Race Series bearings are manufactured using state-of-the-art production techniques and stringent quality control processes. The PO/S2 designation indicates this bearing set features ACL's premium performance overlay material, engineered to withstand the demands of high-output engines. Each bearing set is designed to provide reliable performance and extended service life when properly installed with correct clearances.