Whiteline Front Sway Bar 24mm Adjustable – 2008-2010 Subaru WRX
Maximum Front Roll Control for the Early GR WRX
The Whiteline BSF30XZ is the 24mm 3-point adjustable front sway bar for the 2008-2010 Subaru WRX (GR chassis). Where the 22mm BSF30Z is the street and mixed-use choice, the 24mm BSF30XZ is for track-focused builds where maximum front roll stiffness is the priority. Three adjustment positions provide tuning within the performance range.
DETAILS
- 24mm 3-point blade adjustable front sway bar
- Solid spring steel, silver powder coat
- Includes mount bushings and hardware
- 3 adjustment positions
- Fitment: 2008-2010 Subaru WRX (GR chassis)
When 24mm Is the Right Call for the GR WRX
Track cars and autocross builds on the GR WRX benefit from the additional stiffness of the 24mm bar when paired with matched rear hardware and performance springs. Running 24mm on a street car without matched rear stiffness produces excessive understeer — this is a performance tool for specific applications.
Complement With BSR49/BSR50 Rear Bar
For a GR WRX track build, Whiteline’s BSR49 series rear bars in 20mm, 22mm, and 24mm diameters provide the matched rear stiffness needed to balance the 24mm front. Correct front-rear balance is the key to extracting the most from the GR WRX chassis.
Three Positions for Track Setup
All three positions are in the performance range. Start at the middle and adjust based on circuit characteristics and handling feedback. Stiffen the front for stability; soften slightly if understeer becomes excessive.
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
The performance front bar for GR WRX track builds. Use it correctly with matched rear hardware and the results justify the stiffness. Installation is a straightforward bar swap — remove the OEM bar, install the Whiteline unit with the provided polyurethane mount bushings, connect the endlinks. Start in the middle adjustment position and move from there. Adjustable endlinks are a worthwhile companion purchase if the car has been lowered, ensuring the bar operates at zero preload at the new ride height.
What’s in the Box
- 24mm 3-point blade adjustable front sway bar
- Solid spring steel, silver powder coat
- Includes mount bushings and hardware
- 3 adjustment positions
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2010 | Subaru | WRX | All |





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