Roll N Lock M-Series XT - 14-18 (19 Leg/Lim) Silverado/Sierra 1500/15-19 2500HD/3500HD 6'7" 221M-XT 2015-2021 Subaru WRX STI Includes 20mm Mahle Black Diamond

Includes 20mm Mahle Black Diamond MLS head gaskets

Great addition to installing a ReadyLIFT rear block kit

Primary Main Jet: 66

***If you have any questions regarding this kit or its components

Polished Clamp-On-Single Wall-Angle Cut-Rolled Edge tips

Roll N Lock M-Series XT - 14-18 (19 Leg/Lim) Silverado/Sierra 1500/15-19 2500HD/3500HD 6'7" 221M-XT 2015-2021 Subaru WRX STI Includes 20mm Mahle Black DiamondM Series XT Locking Retractable Truck Bed Cover for 2014 2018 (2019 Legacy Limited) Chevy Silverado GMC Sierra 1500 2015 2019 2500 HD 3500 HD 6' 7" Bed Compatible with most T slot accessories from Rhino Rack, Yakima, Thule, and many more Compact canister paired with an easy to install track system allows for expanded cargo space above & below the cover while maintaining the functionality of the bed cover with loaded cargo Vinyl over aluminum