ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy 5M1038H-10 931121 They are a drop-in replacement

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

Real-Time Data Monitoring

but not that many are suitable for silicone

Do Not Overtorque

ACL Bearings H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy 5M1038H-10 931121 They are a drop-in replacementProduct 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