BMW 4 Series Monoball Bushings - Front - SPL Parts - Adjustable Front Caster Rod - `12-`27. Replace the factory rubber caster rod bushings with precision spherical bearings for consistent handling.

Designed for BMW F3X 4 Series applications (also used across F2X/F3X platforms), SPL Parts FKS-series bushings curb deflection and friction by using articulating monoballs in place of soft rubber. Oversized 1" FK Racing Bearings with self-lubricating PTFE liners provide smooth motion and long service life. CNC-machined offset spacers deliver +/-4 degrees of caster adjustment so you can fine-tune stability and steering feel while maintaining geometry under load. Sold as a pair; OEM arms not included. Made, engineered, and assembled in the USA.

Features

• Monoball design reduces bind and bushing deflection
• 1" FK Racing Bearings with PTFE liners
• CNC offset spacers for +/-4° caster adjustment
• Enhanced braking stability and steering feedback
• Sold as a pair; Made in the USA; OEM arms not included

Questions or need guidance? Call Austin, TX 512-982-9393 or Los Angeles, CA 562-981-6800. We offer installation and customization at both locations. Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov