For 2000 - 2010 chevrolet silverado 2500HD 3500HD. FUll SEt 2 Wheel Spacer Kit. Includes 4 - 2 Wheel Spacers. 8 x 165.1mm (8 x 6.5) Bolt Pattern 130mm Center Bore. Precision CNC Machined from Aerospace-grade Billet Aluminum. Includes (M14 x 1.5) High-Strength HD spec spline type wheel studs. Hydraulic Pre-Pressed studs will never back out or strip from vibrations or repeated installations. Heavy duty low-profile acorn nuts seat and center the spacer to your original studs. Allows installation of wider wheels & tires, while preventing rubbing. Increases track-width for ...