A complete kit including the tool plate, gauge, regulator and hardware
Allows you to test all Twin Cam and M8 piston cooling jets
Helps diagnose or prevent issues prior finishing up an engine...
Works with bench vise, arbor, screw hydraulic or drill pressTool fits any dual rate or conical valve spring with an O.D. no larger then 1.6?ǥ diameter0 to 1000 P.S.I. gaugeMade in the U.S.A.