ACL Bearings 4B1606H-.50 Race Series Connecting Rod Bearings

ACL Race Series connecting rod bearings are engineered for high-performance and racing applications where extreme loads and elevated temperatures demand superior bearing technology. The 4B1606H-.50 bearings feature ACL's advanced tri-metal construction with a steel backing, aluminum-tin barrier layer, and a proprietary polymer overlay that provides exceptional wear resistance and embedability.

Key Features:

• Race Series construction designed for high-RPM and boosted applications
• Tri-metal design with steel backing for maximum strength
• 0.50mm (.020") undersize for crankshaft journal machining and rebuilds
• Polymer overlay surface provides superior protection during break-in and extreme conditions
• Enhanced oil retention properties for improved lubrication
• Precision manufacturing to tight tolerances for optimal bearing clearances

ACL Race Series bearings are trusted by professional engine builders and racers worldwide for their consistent quality and proven durability under the most demanding conditions. These bearings are ideal for turbocharged, supercharged, and naturally aspirated performance engines.