Retrax RetraxPRO MX - 19-26 Sierra (w/ CarbonPro Bed) 5'9" w/o Stk Pkt - Std Rail 80488 2008-2010 Ford F-450 6.4L By changing the block off

By changing the block off plates you can adjust the SPL (Sound Pressure Level) to your taste

Race Sport Lighting Blackout Light & Rigid) to provide a solution for every budget

HPS FKM lined silicone hoses can provide superior resistance to the harshness of gasoline

Adds Additional 2-quart Fluid Capacity

000 psi tensile strength for extreme durability

Retrax RetraxPRO MX - 19-26 Sierra (w/ CarbonPro Bed) 5'9" w/o Stk Pkt - Std Rail 80488 2008-2010 Ford F-450 6.4L By changing the block offRetraxPRO MX Retractable Tonneau Cover Rugged Aluminum Construction Matte Black 2019 2026 GMC Sierra (with CarbonPro Bed) 5' 9" Bed without Stake Pockets Standard Rails Over one million sold worldwidenow even better Double wall aluminum slat construction supports up to 500 lbs CoreTrax sealed rollers deliver smooth, reliable operation Key lockable TraxLatch handle offers infinite locking positions Ultra secure design enhances theft resistance Opens