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Fit larger, more aggressive wheels and tires while reducing front bumper rubbing with bumper spacer kits from Thoroughbred Diesel. WC Fab front bumper spacers move the factory bumper forward to create additional wheel-opening clearance without requiring extensive trimming of OEM components. Available in 3/8-inch and 3/4-inch configurations for Chevy Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD trucks, these kits feature CNC-machined billet aluminum construction, corrosion-resistant finishes, and application-specific mounting hardware. Bumper spacer kits are a practical addition for lifted and leveled GM HD trucks running wider tires, taller tires, or wheels with more negative offset. Call us at 859-737-4966 if you have any questions, or if you need a part not shown below and we'll get it for you.