11" Single Stage Clutch Kit: 11" Single Stage Hub Center 1 7/8" x 29 Spline Pressure Plate Assembly, 3 lever, 6 Springs, Clutch Disc 1" x 10 spline Heavy Duty 4 Pad Disc, Release Bearing, Pilot Bearing and alignment tool. Fits Ford Tractor: 3910, 4000, 4100, 4110, 4140, 4200, 4400, 4500, 4600, 4600SU, 4610, 4610O, 4610SU. Some models listed require: 11" Single Stage Clutch, 4 Lever, 12 springs Pressure Plate with 10 spline: 11" Single Stage, 4 lever, 12 Springs with 15 spline, 11" 4 lever, 12 springs with 1 7/8" 29 spline; 11 Singe Stage, 3 Lever, 6 springs with Open Center or the different Dual Stage Clutch Kits. This does not fit the above models that require a different Clutch. Parts listed are "made for", "compatible with" and/or "fit" the respective makes and models listed if applicable.