# Whiteline race sway bars

- Source: https://racingcarnetwork.com/wiki/whiteline-race-sway-bars/
- Publisher: Racing Car Network (racingcarnetwork.com), the race car marketplace
- Type: part · Brand: Whiteline
- Discipline: parts
- Era: 2000s
- Last updated: 2026-07-06

Whiteline is roll control's Australian volume authority: the Sydney-lineage maker whose adjustable anti-roll bars — blade-hole tuning at catalogue prices — put balance adjustment under the tuner fleet worldwide.

## Specifications

| Spec | Value |
|---|---|
| Type | Adjustable anti-roll bars |
| Signature | Multi-hole blade adjustment |
| Range | Per-model diameters, tuner fleet breadth |
| Application | Club rally/circuit, tuner builds, track |
| Logic | Balance tuning at fixed spring rates |
| Diligence | Straightness + hole wear + completeness |
| Years | 2005–present |
| Class | Roll-control volume authority |

## History

Whiteline built its Australian operation into the anti-roll-bar aftermarket's global name: per-model adjustable bars — multi-hole blade ends making roll stiffness a spanner adjustment, diameter steps engineered per platform, the vehicle-dynamics literature (the company's balance-tuning education a marketing spine like StopTech's bias papers) — serving the WRX-and-Evo economy the brand grew beside, the global tuner fleet's catalogue, and the club-motorsport tier treating bars as the balance tool suspension budgets reach first.

The engineering pitch is honest hierarchy: bars tune balance at fixed spring rates — the understeer-oustеer conversation's cheapest hardware — with the adjustment holes turning one part into a setup range, and the sway-bar-first upgrade logic (roll control before damper money) the company's education taught a generation.

Used bars trade as simple steel honestly: straightness and bush-seat condition, end-link and blade-hole wear, per-model fitment identity — with hardware completeness (links, bushes, brackets) pricing packages and the catalogue's accessible new pricing keeping the used market a convenience rather than a hunt.

## Palmarès

Under club rally, circuit and tarmac champions across the WRX-Evo economy and the tuner fleet's disciplines — the balance record: understeer dialled out one blade hole at a time.

## What to check before you buy

Simple-steel law: check bar straightness (accident evidence) and bush-seat wear, blade-hole condition (elongated holes lose settings), end-link health — the audit is visual and quick. Per-model fitment identity is absolute; diameter choice against your balance direction honestly (bigger rear for rotation, the classic arithmetic). Hardware completeness (links, bushes, mounts) carries the package's real convenience value. New catalogue pricing is accessible — used serves the impatient and the discontinued-fitment hunter. The bars-before-dampers upgrade logic remains sound budget sequencing; buy the education with the steel.

## Did you know

- Blade-hole adjustment made roll stiffness a paddock spanner job — balance tuning democratised at the price of drilled steel.
- The WRX-Evo economy grew the brand and vice versa — Australian gravel culture's chassis lessons exported as catalogue numbers.
- Bars-first upgrade logic is the company's taught doctrine: balance before damping, the cheapest transformation suspension money buys.

## Related entries

- Powerflex race bushes — https://racingcarnetwork.com/wiki/powerflex-race-bushes/
- Eibach race springs (ERS) — https://racingcarnetwork.com/wiki/eibach-race-springs/
- AST 5100 coilovers — https://racingcarnetwork.com/wiki/ast-5100-coilovers/
- Subaru Impreza WRX STI (clubman rally) — https://racingcarnetwork.com/wiki/subaru-impreza-wrx-sti-rally/
