Product Overview EZ4040G PUMP 4GPM 4000PSI 1" GAS FLANGE FEATURES: Innovative one piece plunger design 5% reduction in crankcase load compared to standard 3000 psi 15mm pumps Superior plunger performance against thermal shock and cavitation due to new, unique bonding process Standard SAE J609 gasoline mounting flange for up to 16hp engines Forged brass manifold with a 3:1 hydrostatic rating Die-cast, anodized aluminum, oil bath crankcase Premium roller bearing Unitized stainless steel inlet and discharge valves SPECIFICATIONS: Maximum Volume: 4.0 GPM Maximum Discharge Pressure: 4000 PSI Maximum Pump Speed: 3400 RPM Bore: 13mm Stroke: 13mm Crankcase Oil Capacity: 14 oz Maximum Fluid Temperature: 165 F Inlet Port Thread: 1/2" FPT Discharge Port Thread: 3/8" FPT Hollow Shaft I.D: 1" Weight: 20 lbs Dimensions: 8.8"x9.7"x6.5" Reviews (No reviews yet) Write a Review