Pressure Relief Spring - M8 uses Factory or Fueling oil pumps
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.