AVAILABLE VEHICLES-FOR-- 1983-1994 for S10 Blazer 1982-1990 for S15 1986-1988 for Caprice 1970-1974 for Nova. Bolt Pattern Specification-Wheel Spacers 5 lug Vehicle bolt pattern 5x4.75 Wheel bolt pattern 5x4.75 Thread 12mmx1.5 Thickness 1.5" bore size 87.1mm. INSTALLATION-The wheel spacers and bolts in the installation of the size must be suitable for the tire, the selected products must be consistent, the right installation is conducive to the use of the tire and the product. TOUCHING AREA -It is beneficial to expand the touching area between tires and ground, enhance the stability of vehicle body, especially for high-speed vehicles, and stabilize the center of gravity of vehicles in the process of driving.
