- Use this reamer to perform a 'valve job' on the pressure relief valve seat of all M-Eight oil pumps and Twin Cam engine camplates
- Lightly machine (clean) the relief valve seat and re-seat the plunger valve
- Feuling recommends the valve to be seated and sealed from 0-30 psi with a full pop off psi of 55-60 psi
- Best used in conjunction with Feuling® pressure testing tool PART #3801-0071 for Twin Cam camplates
- Made in the U.S.A.
REAMER TOOL FOR PSI RELIEF VALVE BORE