Description Hypro 4101C-H The 4101 series, 4 roller, pump achieves up to 7.2 gpm (27.3 lpm) and 150 psi (10.3 bar). Pump shaft rotation: Clockwise when looking at the shaft end(counter clockwise available) Rollers: Super Rollers standard Special torque arm and base kit is available for gas engines Rotor: Cast Iron Instruction Manual Instruction Manual Part Breakdown Roller Material Comparison Roller Pump Material Comparison