Stage 1 - 50% Increase in holding capacity.The 1OS clutch kit features a single diaphragm heavy duty pressure plate mated to an organic sprung disc. The clutch kit is engineered for naturally aspirated vehicles with bolt-ons who encounter heavy duty street use. A significant increase in clamping force is obtained, while still retaining OEM driving characteristics. The clutch features a slight increase in pedal pressure, smooth / linear engagement, and an extended wear life. Package Includes: Stage 1 Organic Sprung Friction Disc / Heavy Duty / Pressure Plate / Release Bearing / Alignment Tool / Pair of Action Clutch Stickers / Action Clutch Lanyard Keyring.