Whiteline 19-21 BMW Z4 / 20-22 Toyota GR Supra Front Control Arm Bushing Kit (Caster Bushing)

Whiteline camber kits provide the ability to fine tune camber settings for optimum tire contact resulting in improved vehicle handling and increased tire 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. Whiteline Control Arm Lower - Bushing Kit

• Specially bonded design for optimized strength typically required in high load bearing applications.

Improve front-end alignment control and steering response with the Whiteline KCA497 Front Lower Control Arm Caster Bushing Kit. Designed for select BMW Z4 and Toyota GR Supra applications, this camber and caster alignment solution helps fine-tune suspension geometry for more consistent tire contact, sharper handling, and potentially improved tire life. The kit is engineered for drivers seeking enhanced suspension performance without replacing the complete control arm assembly.
Whiteline supplies the KCA497 with dual-offset synthetic elastomer bushings developed to deliver a balanced combination of elasticity, memory, and durability. These characteristics help the bushings maintain preferred alignment settings under demanding driving conditions while reducing unwanted compliance in the front suspension. The result is more predictable steering behavior and improved control during cornering, braking, and acceleration.
The specially bonded bushing design is built for the high-load applications commonly experienced by performance-oriented vehicles. By reinforcing the connection between the control arm and chassis, the Whiteline KCA497 helps optimize suspension stability while preserving reliable daily-driving performance. Its front lower control arm caster bushing configuration makes it a practical upgrade for maintaining accurate alignment and improving the overall response of the vehicle's front end.
Designed for select 2019-2022 BMW Z4 and 2020-2022 Toyota GR Supra models, the Whiteline KCA497 provides a vehicle-specific suspension upgrade for enthusiasts who want improved alignment adjustability and handling. Verify vehicle application before installation. Professional installation and a complete alignment are recommended after fitting to ensure the suspension is set to the desired specifications.

Features:

• Application: Front lower control arm caster bushing kit for select BMW Z4 and Toyota GR Supra models

• Alignment Control: Helps fine-tune camber and caster settings for improved tire contact

• Bushing Material: Dual-offset Whiteline synthetic elastomer bushings

• Durability: Specially bonded design engineered for high-load-bearing suspension applications

• Handling: Enhances steering response, front-end stability, and cornering consistency

• Fitment: Fits select 2019-2022 BMW Z4 and 2020-2022 Toyota GR Supra applications

Fitment:
BMW Z4 M40i 2022
BMW Z4 M40i 2023
BMW Z4 M40i 2024
BMW Z4 M40i 2025
BMW Z4 M40i First Edition 2020
BMW Z4 sDrive M40i 2020
BMW Z4 sDrive M40i 2021
BMW Z4 sDrive30i 2019
BMW Z4 sDrive30i 2020
BMW Z4 sDrive30i 2021
BMW Z4 sDrive30i 2022
BMW Z4 sDrive30i 2023
BMW Z4 sDrive30i 2024
BMW Z4 sDrive30i 2025
Toyota GR Supra A91 Edition 2021
Toyota GR Supra A91 Edition 2022
Toyota GR Supra Base 2020
Toyota GR Supra Base 2021
Toyota GR Supra Base 2022
Toyota GR Supra Base 2023
Toyota GR Supra Base 2024
Toyota GR Supra Base 2025
Toyota GR Supra Base 2026
Toyota GR Supra Launch Edition 2020
Toyota GR Supra Premium 2020
Toyota GR Supra Premium 2021
Toyota GR Supra Premium 2022
Toyota GR Supra Premium 2023
Toyota GR Supra Premium 2024
Toyota GR Supra Premium 2025
Toyota GR Supra Premium 2026