Autobest uses only top quality materials to ensure product quality. Tested at many points throughout the manufacturing process to ensure durability and reliability. Superior ethanol tolerance for today's fuel systems. Supplied with a 12 Month Unlimited Mi
Fits: Chevrolet Silverado 2500 HD 6.6L V8 2006-04; GMC Sierra 2500 HD 6.6L V8 2006-04
