ACL Bearings 8B743HXDC-STD Race Series Main Bearings for Chevy Big Block V8

The ACL Bearings 8B743HXDC-STD Race Series main bearings are engineered for high-performance Chevrolet big block V8 engines, including 396, 402, 427, and 454 cubic inch variants. These bearings feature ACL's advanced tri-metal construction with a performance coating designed to reduce friction and improve wear resistance under extreme racing conditions.

Key Features:

• Race Series construction for high-performance and competition applications
• HX polymer coating reduces friction and enhances break-in
• Tri-metal design with steel backing, aluminum-tin alloy, and overlay layer
• Standard (STD) size for OEM crankshaft journals
• Compatible with Chevrolet big block V8 engines: 396, 402, 427, 454 ci
• Engineered for high RPM and elevated cylinder pressures

ACL Race Series bearings deliver the durability and performance demanded by professional engine builders and racers. The specialized coating technology provides superior protection during critical start-up and high-load conditions, making these bearings ideal for street/strip, drag racing, and other high-performance applications.