Clutch disc for single clutch, 9", spring loaded, with woven heavy duty facings: 9N, 2N, 8N; 4 speed NAA, 600, 700, 800, 900 prior to s/n 12457, 1953 thru 1957. 10 spline, 1-3/8" hub. 91A7550WHD$47.31 Davis Tractor Parts Ford 8N Dept 24263 Antioch Rd. Andalusia, AL 36421 Phone: 334-222-7214 Fax: 334-222-0025 Email: parts@davistractor.com