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Fine Tune Front Camber For More Consistent Tire Wear And Grip
The BMW Z4 and Toyota GR Supra share a front lower control arm design with a factory bushing that leaves little room to correct camber after lowering or track alignment changes. This Whiteline KCA497 front lower control arm bushing kit uses a dual offset design to add positive camber adjustment range, helping optimize tire contact and improve overall handling.
Key Features
- Adds camber adjustment range at the front lower control arm
- Dual offset synthetic elastomer bushings improve steering response
- Helps optimize tire contact patch for improved handling and tire life
- Maintains preferred alignment settings better than the factory rubber bushing
- Direct bolt in replacement at the factory front lower control arm mounting point
- KCA497 shares the same front lower control arm design across the Z4 G29 and GR Supra A90 platforms
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2025 | BMW | Z4 | sDrive30i |
| 2020-2025 | BMW | Z4 | M40i |
| 2020-2026 | Toyota | GR Supra | Base |
| 2020-2026 | Toyota | GR Supra | Premium |
Specifications
| Detail | Value |
|---|---|
| Manufacturer | Whiteline |
| MPN | KCA497 |
| UPC | KCA497 |
| Position | Front |
| Application | Lower Control Arm Bushing Kit |
| Benefit | Camber Adjustment |
| Kit Contents | Shell Bushings |
What's Included
- Front lower control arm dual offset camber bushing kit
- Required hardware for installation
About Whiteline
Whiteline designs and manufactures suspension components engineered to sharpen handling while preserving daily drivability. Their caster and camber correction kits, control arms, and bushing sets use proprietary synthetic elastomers and precision engineered geometry to correct factory suspension compliance and unlock more consistent, predictable handling.
FAQ
What is the KCA497?The KCA497 is a Whiteline front lower control arm bushing kit for the BMW Z4 and Toyota GR Supra that adds camber adjustment range using a dual offset synthetic elastomer design.
Why would I need extra front camber adjustment?Lowering the vehicle or making significant alignment changes for track use can push camber outside the factory adjustment range, and this kit provides the range needed to correct it.
How is this different from the KCA495?The KCA497 focuses on camber correction at the front lower control arm, while the KCA495 is a separate kit that increases caster and negative camber gain at the front radius arm.
Do I need an alignment after installing this kit?Yes, a full front end alignment is recommended after installation since the kit is designed to change camber angle.
Will this kit help with tire wear?Yes, correcting camber back within a proper alignment specification helps distribute tire wear more evenly across the tread.
Can I install this kit in my home garage?Yes, most installers with basic hand tools and jack stands can complete this bushing swap, though a proper alignment afterward requires shop equipment.
Will this kit work with lowering springs or coilovers?Yes, this kit is commonly installed alongside lowering springs or coilovers to correct the camber shift that comes with a lower ride height.
Is this kit front or rear specific?This kit is for the front lower control arm only and does not include any rear suspension components.
Install Instructions
- Raise and safely support the front of the vehicle on jack stands
- Remove the front lower control arm from its chassis and knuckle mounting points
- Press out the factory bushing from the control arm
- Install the new Whiteline dual offset bushing into the control arm
- Reinstall the control arm and torque all fasteners to factory specification
- Lower the vehicle and have a professional alignment performed
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