Longacre Engine Compression Tester Vehicle_Oldsmobile The shape of the center-mount

The shape of the center-mount mirror is designed to blend perfectly with today's sports car racers

A straight edge on the base of the durometer allows the user to rock the gauge for more consistant results

and high-heat motorsport environments

The super comfortable Flex Fit band is sure to hide helmet hair

1 RAD-101 behind-the-head headset

Longacre Engine Compression Tester Vehicle_Oldsmobile The shape of the center-mountThe Longacre Engine Compression Tester is an easy to use tool for diagnosing various engine issues. With its 0 300 psi range and 14 mm plug adapter, you can accurately check for bent or leaking valves, bad ring seals, and even leaking head gaskets.