Comp Cams Mini Valve Spring Pressure Testers, Hydraulic, 0-300# are available in several different ranges and increments. Equipped with rubber gauge protector and recalibration feature Hex design body can be placed in a vise or used with an arbor press. Using a flange, can also be used with a drill press
Economical valve spring pressure tester, suited to take to the track. Easy to use just insert tester in your drill press or shop vise and use a ruler or caliper to measure valve spring compressed height.