Relief Valve - Cam Plate Tool
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.
