- Outer diameterOD76.3 mm
- Inner diameterID14.1 mm
- Length53.9 mm
- Flange outer diameterFLOD84 mm
Whiteline front lower control arm, rear bush kit
Key specs
- PositionFront axle
- Install time2 hours
- Supplied as1 kit2 alloy bushings, 10 spacers
- AlignmentNeeded after fitting
- A wheel alignment is needed after fitting.
About this part
The Whiteline KCA425M is a front lower control arm rear bush kit (motorsport). The alloy bushings reduce caster wind-back and maintain tighter tolerances between static and dynamic alignment settings. Whiteline anti lift kits are primarily designed to improve traction and cornering grip under power. The extra caster and firmer bushings dramatically sharpen initial turn-in response.
Note - Alloy bushing - adds +0.5deg caster + anti-lift - MOTORSPORT
Whiteline KCA425M
Alignment
- Alignment affectedCaster / Anti-Lift
- Adjustment typeOffset
- Adjustable on the carNo
A wheel alignment is needed after fitting.
Whiteline KCA425M
Specifications
Kit
| Kit type | Front Lower Control Arm - Rear Bush Kit (Motorsport) |
|---|---|
| Kits required | 1 |
| Components per kit | 2 Alloy Bushings, 10 Spacers |
Fitting
| Fitting position | Front |
|---|---|
| Install time | 2 hours |
| Wheel alignment required | Yes |
Identifiers
| SKU | KCA425M |
|---|---|
| EAN | 9319924383016 |
Whiteline KCA425M
Bush dimensions
All sizes in millimetres. The letters on each drawing match the letters on the measurements beside it.
Whiteline warranty
Lifetime warrantyBall joints, tie rod ends, bearings, links and springs: 3 year / 60,000kmThis Whiteline part is covered by a lifetime warranty against manufacturing defects. The warranty covers replacement of the original component only. Ball joints, tie rod ends, bearings, links and springs are covered for 3 year / 60,000km.
Proof of purchase
Proof of purchase is required, such as your order number. Keep the part and any related components until your claim is finalised.
Common exclusions
- Normal wear and tear
- Misuse
- Incorrect installation
- Not purchased from Northman
How to make a claim
Fill in the Warranty Request form with your order number, the product, your vehicle details, how the vehicle is used and a description of the problem.
We'll reply within 3–5 business days and ask for clear photos or videos of the part, the problem area and how it's fitted.
Most claims are diagnosed from photos or videos.
KCA425M
Vehicle fitment
5 vehicles- Performance Alignment
- Adds +0.5deg caster + anti-lift
- Alloy bushing
- MOTORSPORT
| Vehicle | Years | Position |
|---|---|---|
| Subaru ImprezaWRX STi GV, GR Sedan and Hatch | 2011–2014 | Front |
| Subaru LevorgVM | 2014–2020 | Front |
| Subaru WRXWRX STi VA Sedan | 2014–2021 | Front |
| Subaru WRXWRX VA Sedan | 2014–2021 | Front |
| Subaru WRXWRX VB SEDAN | 2022–on | Front |
No vehicles match.
Does this fit my car?
Pick any vehicle. If it is not on this product's fitment list, we cannot guarantee fitment.
Questions about fitment? Call 1800 292 911 before you order.














