BAKFlip MX4 Hard Folding Truck Bed Cover - Matte Finish - 2019-2024 (New Body Style) Chevy Silverado/GMC Sierra (without CarbonPro Bed) 5' 9" Bed Application Summary 2017-66-duramax Capable of supporting vehicle modifications

Capable of supporting vehicle modifications up to 650 RWHP

0-445-120-204

The infusion of FR3® also helps prevent premature engine failure by minimizing wear and tear on vital components

Two stage kit EGR Block off/ EGR Cooler

Mass Flow Return (MFR) technology is used to continually polish your fuel by keeping a positive pressure on the fuel being delivered to the engine to prevent cavitation along with galling and scoring

BAKFlip MX4 Hard Folding Truck Bed Cover - Matte Finish - 2019-2024 (New Body Style) Chevy Silverado/GMC Sierra (without CarbonPro Bed) 5' 9" Bed Application Summary 2017-66-duramax Capable of supporting vehicle modificationsDurable Aluminum Matte Finish Panels EPDM Outer Rail Seals For Maximum Water Resistance Automatic Latching Panels Extended 5 Year Warranty Drive With Cover In Closed Folded Or Flipped Up Position Universal Tailgate Operation With Dual Action Seal 100% Truck Bed Access Advanced Scratch Scuff And UV Resistance Rated Up To 400 lbs. Of Evenly Distributed Weight Injection Molded Latch Housing For Long Term Durability Premium Density Foam Core Locks With