ACT Mod Twin Disc 225 Clutch Kit for 2004-2020 STi

Rev up your 2004-2020 Subaru STi with ACT Mod Twin Disc 225 clutch kits. Complete with pressure plate, flywheel, and ACT Monoloc collar. Customize your setup with options like sprung or rigid, ceramic or organic discs, perfect for street or racing applications.

This kit includes a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, face, choice of friction plates, rigid Mono-Drive hub, floater, patented Monoloc Collar, release bearing, pilot bearing and alignment tool. Mod-Twin clutches are fully rebuildable and most components can be ordered separately. 
 
ACT HD (2100) Heavy Duty Pressure Plate: 
• Great street kit with reasonable pedal pressure and used by those in the 12 second/300 hp range 
• Torque capacity over stock 97-152% 
• Pedal feels stock to moderate 
 
ACT XT (2600) Extreme Duty Pressure Plate: 
• Perfect for the 11 second range 
• Torque capacity over stock 146-214% 
• Pedal feels moderate to stiff 
 
ACT XX (2900) MAXX Extreme Duty Pressure Plate: 
• Race ONLY, not recommended for daily street use 
• Torque capacity over stock 275% 
• Pedal feels stiff to very stiff 
 
More Details: 
• Clutch Disc Diameter 8.8" (225mm) 
• Input Shaft Diameter 1" 
• SFI 1.2 
 
The ACT Monoloc: 
Provides uniform loading on the bearing and pressure plate to assure proper alignment. (This is the piece that helps to stop "popping the clip.")