For 05-20 Ford F-250 F-350 Super Duty 8-Lug. Front and Rear 1.5 Wheel Spacer Kit. Includes 4 1.5 Wheel Spacers. 8 x 170mm (8 x 6.69) Bolt Pattern 125mm Center Bore. Precision CNC Machined from Aerospace-grade Billet Aluminum. Includes M14x1.5 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 ...