SPL Parts Non-Adjustable Front Caster Rod Monoball Bushings for G29 BMW Z4 and A90 / A91 Toyota Supra GR

SPL Parts Non-Adjustable Front Caster Rod Monoball Bushings for G29 BMW Z4 and A90 / A91 Toyota Supra GR

SPL Parts’ FKS Series Non-Adjustable Front Caster Rod Bushings (CRBN) replace the factory-installed flexible rubber bushings with low-friction, articulating spherical bearings, effectively eliminating bushing deflection and reducing friction. This ensures optimal suspension geometry under load, enhancing both braking performance and handling feedback. The design incorporates large 1-inch FK Racing Bearings with self-lubricating Teflon liners, providing maximum performance and durability.

Manufacturing and R&D

• USA sourced materials with certification ensure SPL products are built with the best materials.
• CNC machining by local machine shops with years of high tech machining experience, to meet exacting tolerances.
• TIG welding is performed by local professional welders with years of experience, to ensure the highest quality welds for maximum strength.
• All parts are hand fitted to ensure good fit and smooth threading. Anti-seize and 3M internal panel coating applied where necessary for protection.
• In-house research and development. Because SPL designs and uses the products, they can provide total support to their customers.
• Spherical bearings with teflon liners, are self cleaning and self lubricating, providing high performance and long life.
• Innovative adjuster design, provides quicker alignments and proper bearing centering. Tight thread tolerances for precision.
• Made with pride in USA by skilled machinists / welders, using quality materials and finishes, innovative designs and R&D.

Features

• 6061-T6 aluminum bearing housing with outer knurl
• FK teflon lined 1″ spherical bearings
• Sold as a pair
• Made in the USA

Applications

• BMW Z4: G29 (2019+)
• Toyota GR Supra: A90, A91 (2020+)

Notes

• Instruction manual

About SPL Parts

From full racing to high-performance street applications, SPL Parts’ suspension products offer adjustability and enhanced performance for custom alignment needs. Their commitment to top-quality construction and innovative features has made SPL Parts the choice of leading race teams, as well as consumers seeking the best alignment solutions for their high-performance street vehicles.