Clutch kit for antique Ford tractors with a 10" clutch. Select either ten-spline (pictured) or fifteen-spline (not pictured). .The kit includes the pressure plate, clutch disc, pilot bearing, release/throw-out bearing and alignment tool. Please measure the clutch and count the splines on your tractor before ordering to ensure you order the correct size. This 10" clutch will fit a Ford 501 Series 4 Cyl, 5010S, 600, 601, 601 Series 4 Cyl, 621, 631, 641, 651, 701 Series 4 Cyl, 800, 801, 801 Series 4 Cyl, 821, 841, 851, 941, 951, 2000 4-cylinder, 4000 4-cylinder. However, some of these above models could have also been equipped with a 9" clutch--therefore, it's important to measure your clutch before ordering.