N-Fab Growler Sport Running Boards - 14-18 GM 1500/15-19 GM HD Gas Only REG-TX Blk RBF58-52012-24T 2008-2017 Harley-Davidson Fat Bob Proprietary composite fiber shell for

Proprietary composite fiber shell for strength with reduced weight

They use threaded housings to eliminate the OEM snap ring

Built to handle bumps

Hellfire Wheels: Aluminum alloy construction

The factory MPROP/FCA (fuel control actuator) has a course single layer screen that will allow metal debris past it in the case of a pump failure and will typically take out the entire fuels system when it does fail

N-Fab Growler Sport Running Boards - 14-18 GM 1500/15-19 GM HD Gas Only REG-TX Blk RBF58-52012-24T 2008-2017 Harley-Davidson Fat Bob Proprietary composite fiber shell forGrowler Sport Running Boards Cab Length 2014 2018 Chevy Silverado GMC Sierra 1500 2015 2019 GM2500HD Gas Only, 2015 2018 GM 3500HD Gas Only Regular Cab Textured Black RTxGripLock all weather traction for confident stepping in wet, muddy, and icy Multi functional tread pattern knocks dirt and snow off boots to keep your cab cleaner Up to 6 in. wide stepping area with over 250 sq. in. of total surface for stable footing Rust free aluminum construction