The SuperPro ALOY0016K combines several front suspension upgrades in one complete kit. Its lightweight alloy control arms are stronger and lighter than the original steel WRX arms, providing an STI-style upgrade with high-performance bushings already installed. The revised anti-lift geometry helps maintain tire contact under acceleration, improving traction and allowing power to reach the ground more effectively. SuperPro polyurethane and DuroBall bushings replace the soft, heavily voided original rubber components to reduce control arm movement and deflection. This delivers more consistent suspension geometry, improved grip, sharper steering response, and reduced wheel hop. The rear inner bushings also feature bonded steel shells to minimize friction throughout suspension travel, allowing the springs and dampers to perform as intended. The kit includes the required installation hardware and new ball joint bosses, helping avoid reuse issues caused by corrosion on the original components. This standard-geometry version is intended for vehicles with significantly lowered ride heights, wider wheel and tire packages, or aggressive wheel offsets. Unlike the ALOY0017K, it does not add positive caster or move the front wheel forward within the wheel opening. This helps reduce the risk of tire contact with the inner fender liner near full steering lock. For additional positive caster, choose the ALOY0017K. For further geometry correction on lowered vehicles, pair this kit with the SuperPro TRC0002 Roll Center and Bump Steer Correction Kit.
Installation InstructionsThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base |
| 2015-2021 | Subaru | WRX | Limited |
| 2015-2021 | Subaru | WRX | Premium |
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2019 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
Bull Strap products are the highest grade cut and sewn items in the automotive industry. We are proud to support USA workers in our bid to manufacture right here in the United States.
WARRANTY
Bull Strap guarantees all products to be free from manufacturer defects for all items for one year, and any color fading (where mentioned) for 2 years from the time of purchase. In the event of a product failure, Bull Strap will decide whether that product should be repaired or replaced after reviewing photos submitted by the customer. Bull Strap will then provide a return shipping label for any product in which the material or stitching were determined to be the root cause. Once received, the product will be repaired or replaced and returned to the customer at no cost.
REFUND POLICY
Seat covers and other custom made items, retain all warranties listed above, but cannot be refunded or exchanged at any time
On non-custom items, if within 30 days of purchase directly from Bull Strap, a customer would like to return an unused product with no modifications, and where the item(s) can be considered 'new in box', the customer can email us at info@bullstrap.com or call us at 951-319-4008. The will be a 15% restocking fee subtracted from any returned items. Once processed, the customer must ship the product back and submit the tracking information. Bull Strap will issue a full refund minus the 15% restocking fee once the item(s) is/are received and determined to be in 'Brand New' condition. NOTE: If a customer ordered Bull Strap products from a dealer, the customer must go through this process directly with the dealer the product was ordered from.
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