Description
ACT Clutch Disc – 2007-2009 Subaru Legacy Spec.B / 2024-2021 Subaru 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 ACT3000503 |
Disc material: Organic • Feel: Smooth engagement, quicker shifts, OE to mild gear rattle • Recommended use: Recommended for street and race use | Smoothest engagement; preferred for primarily street-driven vehicles. Sprung hub adds driveline damping and street tolerance. |
Configuration Details
Standard Configuration (ACT3000503)
Note: This product is applicable for the following applications, 2007-2009 Subaru Legacy Spec.B 2004-2021 Subaru Impreza WRX STI Specifications Item Description ACT Performance Street Sprung Clutch Disc Product Weight (lbs.) 4.5 Disc Material Organic Diameter (Inches) 9.4 Diameter (Millimeters) 240 Warranty 12 Months ( view details ) SFI 1.1 Description 3000503 is a performance street disc and the most popular disc purchased. It features premium organic materials with high copper content for better heat transfer. Performance street discs allow for quicker shifting and smooth engagement. These discs feature a reduced marcel for faster shift action to complement ACT pressure plates. ACT spring-centered assemblies use bushings and cone springs similar to factory clutch discs. This creates frictional dampening, which improves clutch life and reduces noise. Quiet operation with increased strength and reliability. Features Feel Smooth engagement, quicker shifts, OE to mild gear rattle Life P
Fitment note: Confirm model year, engine, transmission, flywheel, and related clutch components before ordering.