replacement Electric PTO Clutch for Warner 5217-28 Steel Yard Garden Lawn Mower Engine MotorSpecs – Inner Diameter: 1″”. Pulley Diameter: 5 5/16″”. Rotation Direction: Counter Clockwise. Belt Width: 1/2″” or 5/8″”. Cool coil technology. Super smooth “”Xtreme Precision”” machined pulley. Integrated water tight wire harness. Refer to images 2 3 for more informationIncludes – (1) Electric PTO Clutch, (1) Billet Machined Pulley, (1) Stainless Steel Rivet (1) Wire Harness; comes as shown in the first image Has a enlarged brake system which has about a 20% better stop time than Gen.2 clutches. The friction ring’s initial torque is about 15% higher than the Gen.2 clutches. Has an integral connection with replaceable electrical harness. Designed for rugged use. For residential commercial applications. Torque correctly to prevent premature failureSpacer can be removed for applications that don t require it or when the pulley is on the other side. The spinning pulley weight has been reduced about 50%-100% compared to Gen.2 clutches; it has lower energy, lower inertia better dynamic balanceThis is a Quality ROP Shop Brand Product