22-1/2" and  24-1/2" cover-up hub covers are designed to completely cover up the axle, hub and all the lug nuts, giving your truck a unique appearance. Covering the hub and lug nuts helps streamline your rear  wheels to reduce drag and improve aerodynamics.

• Made from high-quality, non-magnetic 304 stainless steel so they will not rust, pit, corrode or turn yellow  
• Covers are secure and entire cover comes off in one piece by removing two phillips head screws
• Install over the  lug nuts
• No lug nuts need to be removed or disturbed
• Easy to clean on or off of the vehicle
• No special tools or pry bar are required
• Use the over-the-lug wedge lock bracket
• For 33mm hub piloted wheels
• Sold as a kit and comes with 2 brackets,  screws and a pair of hub covers

See more link for installation instructions