ACL Bearings 4B7712H-.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 4B7712H-.50 features ACL's proprietary tri-metal construction with a steel backing, aluminum-tin barrier layer, and a specialized overlay for maximum durability and embeddability.

Key Features:

• Race Series tri-metal construction for extreme durability under high-stress conditions
• Oversized 0.50mm (.020") undersize for crankshaft grinding and rebuilding
• High-temperature polymer overlay resists wear and scuffing
• Precision-engineered oil grooves and chamfers optimize oil flow and bearing life
• Steel-backed design provides structural strength under high loads and RPM
• Ideal for forced induction, nitrous, and naturally aspirated racing engines

ACL Race Series bearings are manufactured to exacting tolerances and are a proven choice among professional engine builders and racers worldwide. These bearings provide the reliability needed for competition use while offering excellent protection during break-in and extended race sessions.