BAK BAKFlip MX4 (GEN 3) 04-13 Silv/Sierra 5'9" Model 448100 Low Profile Wide Slot Spacing (in): 15

Slot Spacing (in): 15

5in wide and 150in long

rollover valve

this replacement spring bar hanger comes with a durable powder coat finish

and is made of rugged forged steel to handle a maximum gross towing weight of 25

BAK BAKFlip MX4 (GEN 3) 04-13 Silv/Sierra 5'9" Model 448100 Low Profile Wide Slot Spacing (in): 15BAK BAKFlip MX4 (GEN 3) 04 13 Silv Sierra 5'9" Model 448100 The best selling truck bed cover in the world just got better. Introducing the new and improved RealTruck BAKFlip MX4 (GEN 3)an evolution of RealTruck's most popular tonneau cover. This next generation upgrade builds on everything truck owners already love about MX4, now enhanced with improved functionality, greater durability, and elevated security. The new and improved BAKFlip MX4 is