1955-1985 GM L6/V6/V8 - 10.5 in. 26-Spline Organic Disc with Diaphragm Pressure Plate;Includes 26-spline clutch disc for use with most 5-speed and 6-speed conversions; Great drivability for power levels up to 400 horsepower; Clutch kit is painted signature Hays Classic orange color; Smooth, chatter-free operation using top quality organic composite friction surface material; Upgraded pressure plate gives you increased holding capacity over a stock clutch; Steelback clutch disc features heavy-duty hub spring assembly for increased load capacity; Clutch kits come complete with pressure plate, disc, release bearing, and alignment tool unless otherwise noted;