Feuling M8 Oil Pump PSI Tester
- Includes air regulator, 0 - 100 PSI pressure gauge, plugs for water and oil cooled oil pumps, gasket and needed hardware
- Only fits Feuling™ oil pumps, will not work with factory Harley-Davidson oil pumps
- The spring tension can be adjusted to achieve the desired pop off PSI
- Allows the engine builder to know what PSI the relief valve opens
- Feuling™ oil pump pressure test tool for Feuling™ M8 oil pumps
- Made in the U.S.A.