Pressure Relief Valve Plunger - 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.

Manufacturer Part Number: 8004