ACL Bearings Duraglide Main Bearing - 0.010 in Undersize - Small Block Chevy NB100020 4-1/4 x 9-1/2 in Oval

4-1/4 x 9-1/2 in Oval Body

Allows Use of Low Mount A/C - for Both Truck Style Accessories & LSA Supercharged Engine

Use With Single RPM Shift Point

The circuits are updated with efficient components that help the ignition produce more power while drawing less current

ACL Bearings Duraglide Main Bearing - 0.010 in Undersize - Small Block Chevy NB100020 4-1/4 x 9-1/2 in OvalACL 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