Rock wheel spacers make it easy to widen the stance of your ATV to accommodate larger tires and wheels from a name that is known and trusted for their durability. Rock wheel spacers are constructed using 6061 T-6 aluminum for maximum strength and durability. Rock wheel spacers are constructed to be strong yet lightweight giving your ATV less unsprung weight for maximum performance. Rock wheel spacers are available in 4/110 30mm and 45mm, 4/115 30mm and 45mm, 4/144 30mm and 4/156 30mm sizes fitting most late model ATV machines. Wheel studs and nuts are included making the Rock wheel spacers easy to install. Rock wheel spacers are sold in pairs.