SPL Parts Front Caster Rod Bushings — Non‑Adjustable — Toyota GR Supra A90 and BMW Z4 G29
Upgrade the front suspension of your Toyota GR Supra A90 or BMW Z4 G29 with SPL Parts FKS Series Non‑Adjustable Front Caster Rod Bushings (CRBN). This premium spherical bearing caster/castor bushing kit replaces the factory rubber bushes in the front tension/caster rod, eliminating bushing deflection, reducing friction, and maintaining optimum suspension geometry under load. Expect sharper steering response, improved braking stability, and precise handling feedback on road and track.
Engineered for performance, these SPL front caster bushings use massive 1 inch FK Racing Bearings with self‑lubricating Teflon liners, housed in 6061‑T6 aluminium with a secure knurled outer. Made in the USA and sold as a matched pair, this is the proven front caster arm bushing upgrade for A90 Supra and G29 Z4 owners seeking race‑grade precision with OEM‑plus reliability.
Why choose these front caster/castor bushings?
- Replaces soft factory rubber bushings with low‑friction, articulating spherical bearings
- Maintains correct caster angle and front suspension geometry under braking and cornering
- Sharper steering feel, improved feedback, and enhanced high‑speed stability
- Durable motorsport‑grade construction for road and track day use
- Direct fit, non‑adjustable design for consistent alignment and easy setup
Features and materials
- 6061‑T6 aluminium bearing housings with outer knurl for secure fit
- FK Teflon‑lined 1 inch spherical bearings for maximum performance and longevity
- Low‑friction FKS Series design to reduce stiction and improve response
- Sold as a pair
- Made in the USA
Compatibility
- Toyota GR Supra A90 (2020+)
- BMW Z4 G29 (2019+)
Common search terms: A90 Supra front caster bushings, Supra GR front tension rod bushing, Toyota Supra A90 spherical bearings, BMW Z4 G29 front caster/castor rod bushings, Z4 G29 control arm bushing upgrade, SPL Parts CRBN, SPL caster bushings UK, performance suspension bushings, front suspension upgrade Supra, front caster arm bushing BMW Z4.
Fitting and support
Professional installation recommended. Nforcd offers fitting at our workshop in Warwickshire. Request a quote: Sales@nforcd.com.
Part number
SPL CRBN G29
Manufactured by
SPL Parts