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2.5" Flare Fiberglass Bedsides 14-18 GMC Sierra 6ft 6in Bed

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Build to Order. 2-3 Week Lead Time

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Install 2.5" flare fiberglass bedsides on your 14-18 GMC Sierra for the ultimate off road machine. Fiberglass bedsides can be adapted to work with the stock tailgate and include provisions for the factory fuel door to be re-installed. The 2.5 inch flare bedsides reuse the stock bed rail caps for a clean OE look. Fiberwerx fiberglass products are all hand-laid and 100% of their Molds are constantly refurbished or built from scratch to guarantee the best fitment and overall finish every time.
Read "How To" Install Instructions



  • Includes Driver and Passenger Bedsides
  • 2.5" Flare Per Side
  • Adapts to Stock Tailgate
  • Uses Stock Bed Rail Caps
  • Includes Fuel Door Indention


This Part Fits:

2014-2018 GMC Sierra 1500

2015-2019 GMC Sierra 2500HD / 3500

Bed Length:
6ft 6in
Flare Size:
2.5 Inch
Raw White Gel Coat

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