Action Clutch Stage 3 Clutch Kit - 2004-2021 STI

Action Clutch's Stage 3 (1MS) Clutch Kit is designed to withstand even the most challenging conditions. Featuring a heavy-duty single diaphragm pressure plate, reinforced drive straps, and a Sprung MIBA Ceramic 6 puck disc, this kit provides peak performance and extreme durability for low/mild horsepower vehicles. Our Sprung MIBA Ceramic clutch kit provides quicker engagement and will introduce some clutch chatter, which will minimize after proper break-in. For those looking to take their vehicles to the next level, the Stage 3 (1MS) Action Clutch Kit provides maximum control and power with little compromise on reliability.

At Action Clutch, safety is our top priority. We understand how catastrophic engine or transmission damage can be caused by springs popping out which is why we use our patented, fully enclosed spring retainers to keep your investment protected at all times. Every kit is quality checked by one of our experienced engineers (with over 60 years of collective experience) and signed off as safe before being released as a finished product. This gives you peace of mind knowing that your Action Clutch will perform consistently every time.

Performance Details:

• Torque Capacity: 450 Crank Torque Rating
• Recommended for heavy duty street use and occasional drag / road / drift racing

Whats Included:

• Sprung MIBA Ceramic 6 Puck Disc
• Single Diaphragm HD Pressure Plate 
• Pilot Bearing / Bushing (when applicable)
• Clutch Alignment Tool
• Conventional Release Bearing

Break-in Requirements

• 500 street miles / Keep RPM’s under 4500, no more than half-throttle, no boost (if applicable). Proper break-in is required in order to retain product warranty, ensure longevity and holding capacity.