Wider Stance 2.0-Inch (50.8Mm) Spacers Durable Billet Aluminum Construction Includes Pre-Installed Studs And Lug Nuts 6 X 5.5-Inch (5X139.7Mm) To 6 X 5.5-Inch (5X139.7Mm) Bolt Pattern Wider Track Width. When you’re looking for a high-quality, yet affordable solution to increase your 1999-2023 Silverado's wheel track width, then Mammoth's 2.0-Inch Billet Wheel Spacers are the answer. Wheel Spacers are a quick and easy way to set your wheels out an additional 2.0-inches (50.8mm) to get rid of that wimpy tucked in look.High Quality Construction. These Mammoth Wheel Spacers are manufactured from a CNC-machined 6061-T6 billet aluminum alloy for superior strength and durability. These Spacers are then completed in a durable corrosion resistance anodized finish for impressive good looks.Application. These Mammoth 2.0-inch Billet 6-Lug Wheel Spacers are designed to be used on 1999-2023 truck models equipped with a six lug 6 x 5.5-inch (6x139.7mm) bolt pattern. Sold as a set of 2 spacers.