Description 280 cm3/r (17.1 in3/r) Displacement20 GPM Continuous Flow (25 GPM Inter)334 RPM Maximum Speed7,044 in-lbs Continuous Torque (9,499 in-lbs Inter)SAE "A" 6-Hole Magneto Mount1.25"-14T Splined Shaft #10 ORB PortsStandard Rotation Genuine Parker TG0280ES050AAAA