Description
- 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.






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