Used to bench test Feuling M8 oil pumps (tester will not fit OEM M8 pumps). Used for PSI pressure opens the relief valve. The spring tension can be adjusted to achieve the desired pop-off PSI. Tool includes: air regulator; 0 – 100 psi pressure gauge; plugs for water and oil cooled oil pumps; gasket & needed hardware. Feulingr recommends the oil pump relief valve be seated and sealed from 0-30 psi with full pop-off at 50-60 psi. Note: Will not fit OEM pumps.
