Clutch Kit: 311435 Contains 9" Dual Clutch Assembly - 29 Spline 1 7/8" Hub, 15 Spline Drive Disc 1 Hub, pilot and release bearings and alignment tool. Ford Tractor: 600, 660, 661, 800, 860, 861, 900, 960, 961 (with 5 speed transmission and live PTO) 2000 4 cylinder, 4000 4 cylinder, 4120, 4120 (1955 - 1964). Dexta, NAA, Super Dexta, 600, 601, 660, 661, 700, 800, 801, 860, 861, 900, 901, 960, 961, 2000 (4 cylinder). Parts listed are "made for", "compatible with" and/or "fit" the respective makes and models listed if applicable.