SPEC Clutch (Star Performance Engineered Clutches) Stage 1 Clutch Kit for Nissan 240SX 89-98. SPEC increases the clamping force of the pressure plate for increased holding capacity. This is a complete clutch kit including alignment tool, high clamp pressure plate, throw out bearing, and clutch disc. This clutch kit is designed to hold up to 265 ft/lbs of torque.