SPL Parts FKS Rear Knuckle Monoball Shock Bushings (RKS) replaces the stock mushy rubber bushings with low-friction articulating spherical bearings, eliminating bushing flex and reducing bind/friction. This maintains optimum suspension geometry under load, to improve handling and feedback. Our FKS Series Bushings feature FK Racing Bearings with a self lubricating Teflon liner for long life and maximum performance. Highly precise (machined to 1/1000th inch) CNC machined 6061-T6 Billet Aluminum bearing shell provide an accurate fit. Sold as a pair. Made in the USA. Applications: 2008+ Nissan R35 GT-R Note: This kit consists of the shock mount bushings only. Shock mount bushings are included with our complete rear knuckle bushing kits.