Whiteline Front Control Arm Kit – 2008-2014 Subaru WRX / STI
Complete Front Lower Control Arm Replacement for GR/GV Subaru
Whiteline’s front lower control arm kit for the 2008-2014 Subaru WRX and STI provides quality replacement front lower control arms with improved bushing specification. When the OEM arms have failed bushings, cracked ball joints, or physical damage, complete arm replacement with Whiteline units is the most efficient path to a fully refreshed front lower suspension.
DETAILS
- Complete front lower control arm replacement for 2008-2014 WRX/STI
- Improved bushing specification over OEM
- Correct ball joint geometry and load ratings
- Fitment: 2008-2014 Subaru WRX and STI (GR/GV chassis)
- Direct bolt-in replacement
When to Replace the Full Arm
Complete arm replacement is the practical choice when the OEM arm has a failed ball joint alongside worn bushings, bent or cracked arm structure, or damage from curb strikes or track incidents. A complete Whiteline arm with fresh bushings and a quality ball joint replaces all of these in one installation.
GR/GV Chassis Front Suspension
The GR/GV WRX and STI front lower arm is a high-load structural component. Quality in replacement arms is directly related to handling precision — a poorly-made arm flexes and allows geometry variation that a quality arm doesn’t.
One Arm or Both
If one arm has damage, the other should be inspected carefully. Arms of the same age and mileage often have similar wear — replacing only the damaged side can leave the other close to failure.
Why Choose Whiteline
Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.
The RallySport Take
Quality front lower control arm replacement for the GR/GV WRX and STI. Correct geometry, improved specification, direct fitment.
What’s in the Box
- Complete front lower control arm replacement for 2008-2014 WRX/STI
- Improved bushing specification over OEM
- Correct ball joint geometry and load ratings
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | STI | All |
| 2008-2014 | Subaru | WRX | All |






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