GMC Sierra 3500 HD Tonneau Cover - BAK - BAKFlip FiberMax - `20-`26
GMC Sierra 3500 HD Tonneau Cover - BAK - BAKFlip FiberMax - `20-`26

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GMC Sierra 3500 HD Tonneau Cover - BAK - BAKFlip FiberMax - 20–26. A hard-folding FRP-over-aluminum bed cover built for 2020–2026 Sierra 3500 HD with the 8 ft 2 in bed.
FiberMax pairs a Fiberglass Reinforced Polymer top skin with a rigid aluminum substructure for dent, scuff, and ding resistance while staying cooler to the touch. Robust hinges and slam-latch panels open from either side; drive closed, folded, or flipped up for 100% bed access. EPDM outer rail seals aid water resistance, and the patented rail uses a load-bearing flange rated to 300 lbs evenly distributed. Automatic latching integrates with the tailgate lock. UV resistant, BAKBox2 compatible, made in the USA. Note: some builds may take up to 30 days to ship.
Features
- Hard folding FRP-over-aluminum panels
- Drive closed, folded, or flipped up; 100% bed access
- Up to 300 lbs evenly distributed
- EPDM outer rail seals for water resistance
- Made in USA; 2-year warranty; BAKBox2 compatible
Questions or fitment help? Call 512-982-9393 (TX) or 562-981-6800 (CA). We have locations in Austin, Texas and the Los Angeles, California area offering installation and customization services. Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov













