Action Clutch ACR-1805 Stage 4 1MD (Metallic Rigid) Incl. HD Pressure Plate+Bearing Kit Subaru STI 2004-2021 Wheel Bolt Pattern_5x110 Unlike ultra-light aluminum flywheels that

Unlike ultra-light aluminum flywheels that can create harsh engagement or excessive chatter

low-restriction airflow path for both intake and heat evacuation

Blouch custom 10cm2 turbine housing - you won't find these anywhere else

Part #: 12956

Improves cooling efficiency under sustained load

Action Clutch ACR-1805 Stage 4 1MD (Metallic Rigid) Incl. HD Pressure Plate+Bearing Kit Subaru STI 2004-2021 Wheel Bolt Pattern_5x110 Unlike ultra-light aluminum flywheels thatPart #: ACR 1805 The Action Clutch stage 4 clutch kit has the unsprung hub is extremely lightweight and provides instant engagement. The clutch features a slight increase in pedal pressure, aggressive engagement, rapid heat dissipation, and outstanding holding capacity. Features: Recommended for race use applications only Single diaphragm *RIGID* Ceramic Clutch System. 170% INCREASE IN HOLDING CAPACITY. PEDAL FEEL: Light Aggressive Engagement Single