Pressure Relief Valve, Springs and Plunger

Increases pressure relief valve pop-off psi

Cam plate pressure relief valve plunger is precision-machined and heat-treated steel

Spring alone provides proper spring rate to control pop-off pressure and oil flow in bypass port

Made in the USA

Bench testing recommended with camplate pressure test tool PART #3801-0071 to ensure proper valve seal and valve operation.

Has increased pressure when compared to the stock spring, aiding seat pressure and increasing the overall pop off pressure. Increase the M-Eight oil pump pressure relief pop off pressure with a Feuling® spring and spring has the proper spring rate to control the pop off pressure and oil flow in the by pass port.