Use this reamer to perform a valve job on the pressure relief valve seat of any Twin Cam engine cam plate and Milwaukee Eight oil pump psi relief valve bore
To use, lightly machine (clean) the cam plate relief valve seat and re-seat the plunger valve
Can be used on OEM or aftermarket cam plates
Best used in conjunction with Feuling pressure testing tool, Feuling recommends installing a new relief plunger valve, see related parts.