SPL Parts FKS Series BMW F2X/F3X xDrive Front Caster Rod Bushings (CRB) 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. Innovative CNC machined offset bearing spacers provide +/- 4 degrees of caster adjustment. OEM arms not included. Sold as a pair. Made in the USA. SPL Parts BMW F2X/F3X xDrive Caster Rod Bushings Features: 6061-T6 Aluminum bearing housing with outer knurl 6061-T6 Aluminum offset spacers provide +/-4 degrees of caster adjustment FK 1" spherical bearings Replaces BMW Part Numbers: 31126854729 Applications: 2010 &ndash. 2019 F30, F31, F32, F33, F34, F35, F36 Please note these will only fit xDrive/AWD vehicles Installation Instructions: SPL CRB F3X. SPL Parts 2012+ BMW 3 Series/4 Series F3X Adjustable Front Caster Rod Monoball Bushings. SPL BMW F2X / F3X xDrive Adjustable Caster Rod Bushings (AWD). Proudly made, engineered, and assembled in the USA.. Adjustable Spherical Caster Rod Bushings (Caster). SPL F2X/F3X xDrive Caster Rod Bushings. 2019 F20, F21, F22, F23 2010 &ndash. Suspension Control Arm Bushing. Bushing Kit

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