Cusco Rear Trailing Arm - 2008-2014 Subaru WRX/STI
Cusco Rear Trailing Arm - 2008-2014 Subaru WRX/STI
Cusco
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PRODUCT DETAILS ▾
RallySport Direct proudly carries some of the best suspension and drivetrain modifications brought to you by the industry leaders at Cusco.
On this page, you are looking at the Cusco Rear Trailing Arm. Cusco's rear trailing arm controls unwanted force under acceleration and braking, and have been designed with adjustable pillow ball mounts that prevent unwanted wheel hop and vibration under acceleration while providing smooth braking at the same time.
This Trailing Arm is adjustable allowing you to fine-tune your rear alignment for ultimate performance, and it will come powder-coated in Cusco's flagship blue color for extra protection against corrosion.
DETAILS:
- Strong aluminum construction
- Powder-coated in Cusco's flagship blue
- Designed with adjustable pillow ball mounts
- Spherical bushing type
- Allows you to fine-tune your alignment settings for street or track duties
- Controls unwanted wheel hop under acceleration and braking
- Sold as a pair
WHY WE CARRY THIS ▾
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT ▾
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
RallySport Direct proudly carries some of the best suspension and drivetrain modifications brought to you by the industry leaders at Cusco.
On this page, you are looking at the Cusco Rear Trailing Arm. Cusco's rear trailing arm controls unwanted force under acceleration and braking, and have been designed with adjustable pillow ball mounts that prevent unwanted wheel hop and vibration under acceleration while providing smooth braking at the same time.
This Trailing Arm is adjustable allowing you to fine-tune your rear alignment for ultimate performance, and it will come powder-coated in Cusco's flagship blue color for extra protection against corrosion.
DETAILS:
- Strong aluminum construction
- Powder-coated in Cusco's flagship blue
- Designed with adjustable pillow ball mounts
- Spherical bushing type
- Allows you to fine-tune your alignment settings for street or track duties
- Controls unwanted wheel hop under acceleration and braking
- Sold as a pair
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