Engine Compression Test Kits

A compression test reveals the condition of your engines valves, its valve seats, and piston rings and whether these parts are wearing evenly. kit includes everything you need to check valves and rings, perform carbon buildup inspection and test for late timing on a wide range of vehicles. Healthy engines should have compression over 100 psi per cylinder, with no more than 10 percent variation between the highest and lowest readings.

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