* This pressure test tool is a must for any Twin Cam engine builder. Bench test the camplate before installation, cycle the pressure relief valve testing operation assuring the valve moves freely, seats and seals. Leakage at the relief valve will reduce oil pressure.
* This tool allows the engine builder to know what PSI the relief valve opens, the spring tension can be adjusted to acheive the desired pop off PSI. Tool includes: regulator, 0 – 100 psi pressure gauge, gasket & needed hardware, fits all Twin Cam engine camplates.
* Made in the U.S.A