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.