- Outer diameterOD33.1 mm
- Inner diameterID23.7 mm
- Length51.7 mm
- Flange thicknessFL13 mm
- Flange outer diameterFLOD42.6 mm
Whiteline front upper control arm, inner camber kit
Key specs
- PositionFront axle
- Install time3 hours
- Supplied as1 kit4 bushings, 4 tubes
- AlignmentNeeded after fitting
- A wheel alignment is needed after fitting.
About this part
The Whiteline KCA421 front upper control arm inner camber kit is designed to greatly increase control and confidence, the perfect, complete upgrade. Whiteline camber kits fine tune camber settings for optimum tyre contact, for improved handling and increased tyre life. It uses Whiteline synthetic elastomer bushings made for superior elasticity, memory and long lasting durability.
Whiteline camber kits provide the ability to fine-tune camber settings for optimum tyre contact resulting in improved vehicle handling and increased tyre life. This kit is supplied with dual offset Whiteline synthetic elastomer bushings with core characteristics ensuring superior elasticity, memory, and outright durability which help maintain preferred alignment settings as well as providing enhanced steering response.
Note - Performance Alignment - adds +/- 0.5deg camber
Whiteline KCA421
Alignment
- Alignment affectedCamber
- Adjustment typeOffset
- Adjustable on the carNo
A wheel alignment is needed after fitting.
Whiteline KCA421
Specifications
Kit
| Kit type | Front Upper Control Arm - Inner Camber Kit |
|---|---|
| Kits required | 1 |
| Components per kit | 4 Bushings, 4 Tubes |
Fitting
| Fitting position | Front |
|---|---|
| Install time | 3 hours |
| Wheel alignment required | Yes |
Identifiers
| SKU | KCA421 |
|---|---|
| EAN | 9319924382972 |
Whiteline KCA421
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.
KCA421
Vehicle fitment
2 vehicles- Performance Alignment
- Adds +/- 0.5deg camber
| Vehicle | Years | Position |
|---|---|---|
| Mazda MX-5NC | 2005–2014 | Front |
| Mazda RX-8SE17 | 2003–2012 | 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.












