Set of 4 (2 front, 2 rear) Mr. Lugnut 8-to-10 lug wheel adapters to mount 10-lug semi wheels to your 8-lug axles These adapters include the large 33mm lug nuts Available for the following makes and models: ⚠️ DISCLAIMER: If using these adapters for non-dually/single-rear-wheel (SRW) trucks, these adapters may or may not work with some applications. It is the customer's responsibility to research and confirm fitment. The customer assumes all risk when attempting to use these adapters with SRW applications. Please see our Terms of Service for more information.2019+ RAM 35002005+ Ford F-3508x200 to 10x285.75 bolt pattern142.2mm centre bore1989-2018 RAM 35008x165.1 / 8x6.5 to 10x285.75 bolt pattern121.3mm centre bore2011+ GMC Sierra 3500 and 2011+ Chevrolet Silverado 35008x210 to 10x285.75 bolt pattern* (Wheels must be notched, please see note below)1988-2010 GMC Sierra 3500/Chevrolet Silverado 3500/K35008x165.1 / 8x6.5 to 10x285.75 bolt pattern116.7mm centre bore1998-2004 Ford F-3508x170 to 10x285.75 bolt pattern124.9mm centre bore1967-1997 Ford F-3508x165.1 / 8x6.5 to 10x285.75 bolt pattern124.9mm centre bore *Because the 2011+ GMC/Chevy duallys have the larger 8x210 bolt pattern, the lug holes extend into the center bore of the semi wheels. The wheels must be notched on the inside of the center bore to accommodate the lugs. We offer this notching and/or milling service with our 22.5" wheels and 24.5" wheels. Please see last photo for an example of a notched wheel. If you have any questions regarding this service, please contact us