Pressure Relief Spring - M8 uses Factory or Fueling oil pumps - 6 Pack Hat Camchest - Race Series® -

Camchest - Race Series® - Reaper 538 - Oil Cooled - M8

and weather-resistant

a thin profile

For all '07-'17 Twin Cam and '06 Dyna

Pressure Relief Spring - M8 uses Factory or Fueling oil pumps - 6 Pack Hat Camchest - Race Series® -Pressure Relief Spring M8 uses Factory or Fueling oil pumps 6 Pack 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.