Description 169 cm3/r (10.3 in3/r) Displacement15 GPM Continuous Flow (20 GPM Inter)444 RPM Maximum Speed2,808 in-lbs Continuous Torque (4,324 in-lbs Inter)SAE "A" 4-Hole Magneto Mount1.25"-14T Splined Shaft #10 ORB PortsStandard Rotation Genuine Parker TF0170MS050AAAA