ACL Bearings 4B1606A-1.00 Connecting Rod Bearing Set Standard Size

The ACL Bearings 4B1606A-1.00 is a high-performance connecting rod bearing set engineered for VW and Audi 4-cylinder engines including 1.6L, 1.8L, and 2.0L applications. This oversized bearing set features ACL's proven Race Series tri-metal construction designed to withstand the demanding conditions of performance and racing engines.

Key Features:

• Tri-metal construction with high-strength overlay plate for improved fatigue resistance
• Hardened steel backing on all rod bearings for enhanced support and retention
• Increased eccentricity to compensate for bore distortion at high RPM
• Oversized design for crankshafts requiring additional clearance after machining
• Elimination of flash plating on bearing backs for improved heat transfer
• Tight wall tolerances for consistent bearing clearances
• Enlarged ID chamfers to accommodate large fillet radius on performance crankshafts

ACL Race Series bearings are recognized throughout the motorsports world and have been used in championship-winning engines from sport compact drift racing to NASCAR, IHRA, and NHRA competitions. These bearings provide the endurance and reliability demanded by professional engine builders and performance enthusiasts.