ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Big Block Chevy H778C31XXL 5:1 compression with stock pistons

5:1 compression with stock pistons in 350 cubic-inch engines

Intercom Cables

FIA-approved for competition

Shown with the optional add-on Wall Mount Spacer Tray

Protect components and keep heat from transferring into the cabins

ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Big Block Chevy H778C31XXL 5:1 compression with stock pistonsACL RACE Series performance engine bearings are recognized as a premier brand throughout the motorsports world. RACE Series rod and main bearings are standard components in Race engines that have set records and won championships from Mexico to Bonneville from sport compact drift racing to small block NASCAR, IHRA and NHRA competitions. The unique combination of design, metallurgy and engineering provides RACE Series performance bearings with the