2008-2016 Superduty Retrax RetraxPRO XR Tonneau Cover (T-80362) computer-chip-programmer Includes a full-coverage differential skid

Includes a full-coverage differential skid plate constructed from 3/16-inch steel plate

Rear Inner: 20x8

Power-retractable illuminated smart running boards

GM 1/2 ton 4in Rear Box Kit

Prevents rear springs from going into coil bind (coil springs) or reverse arch (leaf springs)

2008-2016 Superduty Retrax RetraxPRO XR Tonneau Cover (T-80362) computer-chip-programmer Includes a full-coverage differential skidBoost your pickups cargo convenience, security, and flexibility with the RealTruck RetraxPRO XR manual retractable tonneau cover. With over one million units sold worldwide, the RetraxPRO XR combines sleek, low profile aesthetics, smooth manual operation, and built in rack compatibility into one premium truck bed cover. Integrated T slot rails run the full length of the cover, making mounting accessories a breeze. The rack ready tonneau cover