ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy 5M1038H-10 931121 Advanced Phenolic Thermoset Plastic

Advanced Phenolic Thermoset Plastic

They are a drop-in replacement for 1987 and later blocks that accept factory roller camshafts

but not that many are suitable for silicone

Designed around the Holly 4150 series carburetor

Do Not Overtorque

ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy 5M1038H-10 931121 Advanced Phenolic Thermoset PlasticProduct Description: Main Bearing H Series 0. 010 in Undersize Small Block Chevy High performance driving demands that you use the best parts. So rely on ACL's Race Series Products to perform to the exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance parts. If