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SKU: XFSU003CL | UPC: 9337467249897
XClutch 2013-2021 Subaru WRX STI Type RA 2.5L Lightweight Chromoly Flywheel
This XClutch lightweight chromoly flywheel delivers reduced rotational inertia for quicker engine response and faster acceleration in Subaru WRX STI models. Crafted from billet 4340 chromoly steel it fits 2006-2021 Impreza WRX STI and WRX STI variants including Type RA S209 and Limited. Ideal for modified street cars race builds and track applications where strength and low weight matter.
Key Features
- Lightweight Design: Weighs 13.2 lbs (6.0 kg) versus stock 24+ lbs slashes rotational mass by over 40% for immediate throttle response and rev-matching ease
- Billet 4340 Chromoly Steel: Provides extreme durability under high RPM and torque loads up to 800+ lb-ft without cracking or warping
- Precision Balanced: Factory balanced to 1500 RPM ensures vibration-free operation and long bearing life in street or motorsport use
- Low Inertia Engineering: Accelerates engine speed 25-30% quicker aiding shifts launches and reducing clutch wear
- Direct Bolt-On Fit: Replaces OEM flywheel with no modifications using stock hardware for Subaru EJ257 2.5L turbo engines
Product Notes
- Pair with XClutch organic or sintered clutch kits for best results break-in requires 500 miles of normal driving
- Not SFI certified for drag racing use inspect regularly in high-horsepower builds
- Ships in protective foam-lined box dimensions 16 x 16 x 8 inches shipping weight 16 lbs
Installation Notes
- Professional installation recommended.
- Requires Subaru flywheel lock tool (499787300) and torque wrench for 87 ft-lbs main bolts
- Compatible with OEM pilot bearing resurface crankshaft if worn for proper seating
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2014 | Subaru | Impreza | WRX STI |
| 2007,2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 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?
- Over 30 years of clutch engineering backing every component
- Trusted by motorsport teams and tuners worldwide for reliability
- Engineered in Australia with global vehicle testing for exact fit and performance
Frequently Asked Questions
-
Q: Will this fit my 2018 WRX STI Type RA?
A: Yes it bolts directly to 2013-2021 WRX STI Type RA and all listed EJ25 models using OEM pattern -
Q: What material is used and why?
A: Billet 4340 chromoly steel for its high tensile strength heat resistance and ability to handle 9000+ RPM without failure -
Q: What is the warranty and install tips?
A: 12-month warranty against defects professional install advised with clutch alignment tool for 100k+ mile service life
Shipping & Handling
- Method: UPS Ground or FedEx standard shipping
- Availability: In stock - ships same or next business day
- Packaging: Foam-protected box 16 x 16 x 8 inches
- Weight: 13.2 lbs product 16 lbs shipping
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