COMP Cams 5639 - Gauge, adj. Valve Spring Pressure

COMP Cams Adjustable Valve Spring Tester checks spring pressure on an assembled engines. This billet aluminum tool fits onto your rocker arm for quick pressure checks. It is adjustable for use with almost any rocker length and measures pressures up to 600 pounds.

Checks spring pressure on an assembled engines; Fits onto your rocker arm for quick pressure checks; Adjustable for use with almost any rocker length; Measures pressures up to 600 pounds; Made of billet aluminum