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SKU: 7728.140 | UPC: 803050399878
Eibach Pro-Kit for 2015-2021 Subaru WRX STI 2.5L Turbo
The Eibach Pro-Kit 7728.140 delivers precise lowering for 2015-2021 Subaru WRX STI models including Base, Limited, Launch Edition, S209, Series.HyperBlue, and Type RA. This spring set reduces front ride height by 1.2 inches (30mm) and rear by 1.0 inch (25mm) to sharpen cornering, reduce body roll, and create a planted stance. Progressive spring rates balance track performance with daily drivability on stock struts.
Key Features
- Exact Lowering Specs: Front drop of 1.2 inches (30mm), rear 1.0 inch (25mm) calibrated for WRX STI geometry to maintain wheel alignment and tire clearance.
- Progressive Spring Design: Variable rates minimize bottoming out under load while absorbing bumps for consistent control during aggressive driving.
- High-Tensile Steel Construction: Forged from chrome-silicon-vanadium alloy in Germany for corrosion resistance and 400% greater fatigue life than OE springs.
- Enhanced Handling Dynamics: Lowers center of gravity to cut squat, dive, and roll for quicker steering response and higher lateral grip on twisty roads.
- Million Mile Warranty: Lifetime guarantee against sagging or defects ensures long-term reliability for street or autocross use.
Product Notes
- Direct replacement for factory springs; no cutting or welding needed.
- Compatible with stock dampers or aftermarket coilovers for tuning flexibility.
- Standard ground shipping; handle with care to avoid surface scratches.
Installation Notes
- Professional installation recommended.
- Bolt-on fit requires standard spring compressor tool and 2-4 hours labor.
- Retorque suspension bolts to Subaru specs after 500 miles; works with OEM or Eibach sway bars.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 Eibach?
- Motorsport-proven in rally and drifting with OEM partnerships worldwide.
- Rigorous dyno and road testing for every application ensures plug-and-play results.
- German precision manufacturing meets ISO/TS 16949 standards for durability.
Frequently Asked Questions
-
Q: Will this fit my 2020 WRX STI S209 with factory exhaust?
A: Yes, confirmed fitment for all 2015-2021 STI variants including S209; no interference with OEM components or cat-back exhausts. -
Q: What spring material and finish is used?
A: Chrome-silicon-vanadium high-tensile steel with double-thick epoxy coating for rust protection and shot-peened surface for stress relief. -
Q: What warranty covers this Pro-Kit?
A: Million Mile Warranty protects against spring sag, breakage, or manufacturing defects when installed correctly on listed vehicles.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-wrapped box measures 16.5 x 3.5 x 15 inches
- Weight: 25.8 lbs shipping weight (24 lbs net)
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