ACL Bearings H-Series Connecting Rod Bearing - 0.001 in Undersize - Narrowed - Small Block Chevy Throttle Return Spring Kit 1/4 in NPT Male

1/4 in NPT Male

4000 / 7200 RPM

5/8" and 3/4" crankshaft bolts

Chevrolet: One-Fifty Series 55 - 57 4

ACL Bearings H-Series Connecting Rod Bearing - 0.001 in Undersize - Narrowed - Small Block Chevy Throttle Return Spring Kit 1/4 in NPT MaleProduct Description: Connecting Rod Bearing H Series 0. 001 in Undersize Narrowed 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