ACL Chevrolet V8 396/402/427/454 Race Series 10 Oversize Main Bearing Set - acl5M829H-10 import_2022_03_21_012537 PERRIN gauges have micro-stepping motors

PERRIN gauges have micro-stepping motors with a built-in speed reduction ratio of 180:1 and accuracy as high as 0

It is also designed to bolt up to your PERRIN or OEM cat-back exhaust

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ACL Chevrolet V8 396/402/427/454 Race Series 10 Oversize Main Bearing Set - acl5M829H-10 import_2022_03_21_012537 PERRIN gauges have micro-stepping motorsThe unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Connecting Rod Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature: * *High strength overlay plate* with reduced thickness for improved fatigue properties * *Hardened steel backs* on all rod bearings to