SCITOO 2X 1.5 8x6.5 to 8x6.5 Wheel Spacers Adapters fit for Chevy Silverado 2500 3500 HD, Suburban 2500, GMC Sierra HD 1500 2500 3500 Yukon 2500 Center Bore 130mm 14x1.5 Studs Billet Aluminum 6061 T6 8x6.5 WHEEL SPACERS FITMENTS-fit for 1997-2015 - GMC - Savana Van 2500/3500 1999-2010 - GMC - Sierra HD 1500 2001-2010 - GMC Sierra HD 2500 1999-2010 GMC Sierra 3500 2000-2013 GMC Yukon XL 2500 8 LUG WHEEL SPACERS 1.5 INCH-Vehicle Bolt Pattern:8x6.5;Wheel Bolt Pattern:8x6.5;Thread Pinch:14x1.5;Thickness:1.5" or 38mm;Inner Diameter:130mm 8X6.5 SPACERS-High quality alloy aluminum 6061 T6, to ensure the highest level of performance and durability for your vehicles. WHEEL SPACERS 8X6.5-The spacers are machined by CNC with 60 degree taper, bulge seat lug nuts. 1.5 INCH WHEEL SPACERS 8X6.5-The studs of our spacers are grade 10.9, heat treated and hardened heavy duty studs for safety.