High-quality clutch disc for a Ford tractor with a 9" clutch (ten spline). This disc will fit a Ford 8N, 9N, 2N, NAA or Jubilee as well as some 501, 600, 700, 800, 900 series tractors and early 2000 and 4000 with 4 cylinder engines when equipped with a 9" clutch.In addition, this disc will also fit an 1800 Series 4 Cyl 59-60, 4120, 4130, 4140, Dexta, Super Dexta with 9" clutches. Many mechanics choose to re-use their existing pressure plate and only replace the disc. If this is the route you desire to go, you can purchase the disc individually. Consider also ordering a clutch alignment tool to make the job a little easier.