Action Clutch 02-05 Subaru WRX 2.0L (EJ205) Turbo AWD Stage 4 Clutch Kit (1MD)

Action Clutch's Stage 4 (1MD) Clutch Kit is designed for challenging conditions. It features a heavy-duty single diaphragm pressure plate, reinforced drive straps, and an Unsprung MIBA Ceramic (available in a 4 or 6 puck) disc, providing peak performance and extreme durability for low/mild horsepower vehicles. This kit offers quicker engagement and may introduce some clutch chatter, which will minimize after proper break-in. It's intended for dedicated race applications (Drag, Road, Drift Racing) and provides maximum control and power with little compromise on reliability. Each kit is quality checked by experienced engineers with over 60 years of collective experience.

Specs:
Increased Holding Capacity: 170% over factory kit
Clutch Kit Type: Stage 4 Clutch Kit (1MD)
Package Contents: Unsprung MIBA Ceramic 6 Puck Disc
Release Style: Conventional Release Bearing
Clutch Disk Model: ACR-CB6-225/230 1X24T-R
Pressure Plate Model: FJC521 REGULAR R-884006P
Release Bearing Model: BRG601
Pilot Bearing Model: PB-6201
Alignment Tool Model: AT90
Clutch Disk Diameter: 225/230
Clutch Disk Spline Diameter: 1 inch
Clutch Disk Spline Count: 24

Disclaimer (Ceramic Disc): Ceramic based clutch discs increase holding capacity and durability, not necessarily life expectancy. Using for easy street driving may cause premature wear due to harsher engagement and higher tendency to slip. Unsprung clutch kits are not designed for daily/street use or constant on/off engagement.

Break-in Care: 500 street miles. Keep RPMs under 4500, no more than half-throttle, no boost (if applicable). Proper break-in is required for warranty, longevity, and holding capacity.