SPL Parts 2020+ Toyota GR Supra (A90) / 2019+ BMW Z4 (G29) Front Caster Rod Bushings (Non-Adj)

SPL Parts FKS Series Non-Adjustable Front Caster Rod Bushings (CRBN) replace the stock flexible rubber bushings with low friction, articulating Spherical Bearings eliminating bushing deflection and reducing friction. This maintains optimum suspension geometry under load to improve braking and handling feedback. Massive 1" sized FK Racing Bearings with self lubricating Teflon liners are used to ensure maximum performance and durability. Sold as a pair. Made in the USA. SPL Parts Caster Rod Bushings Features: 6061-T6 Aluminum bearing housing with outer knurl FK Teflon lined 1" spherical bearings Applications: 2020+ Toyota Supra A90 GR 2019+ BMW Z4 G29 Installation Instructions: SPL CRBN G29 SPL Toyota Supra A90 / BMW G29 Spherical Caster Rod Bushings

• Proudly made, engineered, and assembled in the USA.

Upgrade the front suspension of your 2020 and newer Toyota GR Supra A90 or 2019 and newer BMW Z4 G29 with SPL Parts CRBN G29 non-adjustable spherical caster rod bushings. Designed to replace the factory flexible rubber bushings, these components use low-friction articulating spherical bearings to reduce bushing deflection and improve suspension response under load. The result is more consistent suspension geometry, enhanced braking stability, and improved handling feedback during spirited driving or performance use.

Each bushing features a 6061-T6 aluminum bearing housing with an outer knurled surface and a massive 1-inch FK Racing spherical bearing. The self-lubricating Teflon liner supports smooth articulation while helping provide long-term durability in demanding applications. By minimizing unwanted compliance and friction at the caster rod mounting point, the SPL Parts CRBN G29 helps the suspension respond more predictably without the flex associated with conventional rubber bushings.

This non-adjustable front caster rod bushing set is sold as a pair and is engineered, assembled, and proudly made in the USA. It is a direct performance-focused solution for enthusiasts seeking sharper front-end control while retaining a straightforward installation. Installation instructions are available under SPL CRBN G29. Confirm vehicle compatibility before ordering; this set fits the 2020+ Toyota GR Supra A90 and 2019+ BMW Z4 G29.

Features:

• Application: Fits 2020+ Toyota GR Supra A90 and 2019+ BMW Z4 G29

• Design: Non-adjustable front caster rod bushings replace flexible factory rubber bushings

• Bearing: FK Racing spherical bearings with self-lubricating Teflon liners

• Housing: 6061-T6 aluminum bearing housing with an outer knurled surface

• Performance: Reduces bushing deflection and friction to maintain suspension geometry under load

• Handling: Improves braking stability, steering response, and suspension feedback

• Quantity: Sold as a pair

• Manufacturing: Engineered, assembled, and proudly made in the USA

Fitment:
BMW Z4 M40i 2022
BMW Z4 M40i 2023
BMW Z4 M40i 2024
BMW Z4 M40i 2025
BMW Z4 M40i 2026
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
BMW Z4 sDrive30i 2026
Toyota GR Supra 45th Anniversary Edition 2024
Toyota GR Supra A91 Edition 2021
Toyota GR Supra A91 Edition 2022
Toyota GR Supra A91 Edition 2023
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 MkV Final Edition 2026
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