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SKU: XKSU23531-2A | UPC: 9337467304015
XClutch 15-21 Subaru WRX STi Base 2.5L 10.5in Twin Sprung Organic Clutch Kit
This XClutch twin disc clutch kit upgrades 2015-2021 Subaru WRX STI Base models with 2.5L engines. It fits multiple Subaru Impreza WRX STI variants from 2004-2021 plus select Legacy models. Sprung organic friction discs ensure smooth engagement reduces transmission shock loads and handles high horsepower for street-driven performance.
Key Features
- Twin 10.5in Sprung Organic Discs: Provide excellent driveability with flexible springs that absorb shock loads better than rigid discs protecting your drivetrain during aggressive shifts.
- Advanced Pressure Plate Design: Increases clamping force while maintaining positive pedal feel through optimized pivot point and diaphragm engineering for precise control.
- High-Performance Friction Materials: Balance everyday usability with track-level torque capacity up to 650Nm suited for modified high-horsepower Subarus.
- Street and Race Proven: Developed with in-house dyno testing and 30+ years of clutch expertise for reliable performance in WRX STI applications.
- Direct Bolt-On Fit: Includes complete kit with pressure plate flywheel compatibility and all hardware for 6-speed manual transmissions.
Product Notes
- Requires 500-mile break-in period with no aggressive launches or slipping to ensure longevity.
- Use quality clutch fluid and inspect flywheel condition before installation.
- Ships in protective packaging to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Align engine and transmission precisely using clutch alignment tool included in kit.
- Compatible with OEM flywheel resurfacing all hardware and release bearing provided.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Subaru | Impreza | WRX |
| 2004-2014 | Subaru | Impreza | WRX STI |
| 2007,2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2007-2009 | Subaru | Legacy | GT spec.B |
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2020 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
Why Choose XClutch?
- Backed by 30 years of clutch manufacturing and global racing experience.
- Tested in advanced facilities for real-world Subaru WRX STI durability.
- Engineered for precise fit and consistent performance across street and track.
Frequently Asked Questions
-
Q: Does this fit my 2018 WRX STI Type RA?
A: Yes it bolts directly to 2015-2021 WRX STI models including Type RA with 2.5L EJ257 engine and 6-speed transmission. -
Q: What material are the friction discs?
A: Organic compound with sprung steel centers for smooth engagement and heat resistance up to 650Nm torque. -
Q: What is the warranty and break-in process?
A: 12-month warranty against defects. Follow 500-mile easy driving break-in avoiding slip or high RPM launches.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 16in x 14in x 8in
- Weight: 24.5 lbs
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