Extang Endure ALX - 19 (NewBody)-26 Silv/Sierra 1500 6'7" w/o Side Storage Boxes w/o Carbon Pro Bed Model 80457 Duramag 2011-2014 GMC Sierra 3500 HD

2011-2014 GMC Sierra 3500 HD and attach to your vehicle’s frame or bumper for a sleek

For smaller underbody boxes

5 X 18 Chest Partner Box With Diamond Plate Base Diamond Plate Lid 3122-001

CURT RV Harness Diode Kit Model 58999

NOTE:  Add 2

Extang Endure ALX - 19 (NewBody)-26 Silv/Sierra 1500 6'7" w/o Side Storage Boxes w/o Carbon Pro Bed Model 80457 Duramag 2011-2014 GMC Sierra 3500 HDExtang Endure ALX 19 (NewBody) 26 Silv Sierra 1500 6'7" w o Side Storage Boxes w o Carbon Pro Bed Model 80457 From tireless engineering and a relentless pursuit for perfection comes a low profile bed cover designed to function like no other the Endure ALX from RealTruck. With a flush mounted design, the Endure ALX creates a seamless, polished exterior appearance when closed while delivering highly functional full bed access when open. The Endure ALX