Description
ACT Clutch Disc – Subaru Baja / Forester / Legacy / Impreza WRX/STI
ACT replacement clutch discs let you tailor engagement, heat capacity, and driveline damping for street, track, or competition use.
Which option should I choose?
The table below uses the rating/specification supplied for each exact ACT SKU where available. We do not copy a torque rating from a different vehicle application.
| Configuration | Application-Specific Ratings & Specs | Driver Guidance |
|---|---|---|
|
Standard Configuration ACT4240518 |
Disc material: Ceramic • Feel: Aggressive engagement, quick shifts, OE to mild gear rattle • Recommended use: Recommended for race use only | Most aggressive puck-style engagement; competition-focused. Sprung hub adds driveline damping and street tolerance. |
Configuration Details
Standard Configuration (ACT4240518)
Note: This product is applicable for the following applications, 2005-2012 Subaru Legacy 2006 Subaru Baja 2006-2008 Subaru Forester 2004-2021 Subaru Impreza WRX/STI 2022+ Subaru WRX Specifications Item Description ACT 4 Pad Sprung Race Clutch Disc Product Weight (lbs.) 3.4 Disc Material Ceramic Diameter (Inches) 9.4 Diameter (Millimeters) 240 Warranty 12 Months ( view details ) SFI 1.1 Description 4240518 is a 4-pad spring-centered race disc made with high quality, ceramic friction materials. The engagement is harsher, but shifting is faster. The heavy duty torsional dampening springs are stronger, in most cases, than standard springs and are provided in the best sizes and spring rates to suit the application. The race disc features a heat-treated spring steel drive plate and is well-suited for the smaller disc sizes in smaller engines. Features Feel Aggressive engagement, quick shifts, OE to mild gear rattle Life Premium ceramic friction materials provide moderate wear rates and high
Fitment note: Confirm model year, engine, transmission, flywheel, and related clutch components before ordering.