AM70226729 Woven Clutch Disc, Heavy DutyOne New Aftermarket Replacement Woven Clutch Disc, Heavy Duty Fits Allis Chalmers Tractors Fits 8 1 2" Single Clutch B, IB, C, CA Tech Info: Organic clutch material is most commonly used in agricultural clutch discs. It provides the most flexibility. 1 1 8", 10 SplineRSO* This term refers specifically to the drive plate that is attached directly to the solid steel plate. Opposite of dampened. SOLID The clutch lining is attached directly to the solid