Pressure Washer Horizontal Pump 2900 psi 2.2 GPM Fits Most 3/4 Shaft Pressure Washer Pump has the following Features:Plungers: Hardened stainless steelValves on the : Stainless steel poppet, seat and cage, stainless steel springSeals: Buna-N dual seals. . It spins at 3400 RPM in a direct drive system coupled with a gasoline engine.Mounty Kit included and ( 1 ) Nozzle Tip Included The matching flange provides convenient connection to most 3/4” shaft 1.1 – 6.5 HP engines. Max Pressure: 2.900 PsiFlow Rate: 2.2 GPMRPM: 3400 RPMConnection to 3/4″ Motor Shaft Equipped with EZ Start FeatureThermal Relief Valve IncludedChemical Injection System IncludedBuild in Pressure Control Valve