**Product Details:** - Solid Ceramic Plunger Pump for Pressure Washing. - Made by General Pump. - Part # EZ2545E. - 2500 PSI. - 1 1/8" Hollow Shaft. - 4.6 GPM. - 3400 RPM. - 7.9 HP. - Includes Flange for Direct Coupling to a NEMA 184C Electric Motor. - Comes With Forged Brass Manifold and Premium Roller Bearing. - Oil-Bath Crankcase Made From Die-Cast, Anodized Aluminum.