Command Clutch Hub
Tractor Pullers using Command motors 18-25 this is the part you need to bolt to stock or aftermarket flywheels. Stock flywheel uses metric bolts(52731), aftermarket uses standard(52732). Bolts sold separately in sets of 4. Approx 3 3/4" Round with a 4 bolts on 3" center to center. Will work with Briggs with the raised center of 1.875 Holes are drilled 5/16" but can be drill out to 3/8" if needed.