8N7563KIT Years:1939-57 Ford Clutch Kit For 9 Inch Single Clutch. 10-Spline, 1-3/8" Hub. Kit Includes New Clutch Disc & Pressure Plate, Clutch Release Bearing, Pilot Bearing. For Models With 3 Or 4-Speed Transmissions. Fits Ford Tractors: 9N, 2N, 8N (1939 To 1952), NAA, 600, 700, 800, 900 (1953 To 1957).