"*We Recommend Replacing Your Interior Door Handles When Installing Your Door Lock Slides.* The Chevy/GMC C/K1500 is a resilient vehicle that has served the masses for many years. Being one of the most popular trucks on the block is not easy, but there are some things that could be improved. LG Billet USA developed the billet door lock slides for your C/K1500 to improve your interior's styling and provide a sturdy OE replacement for your otherwise flimsy and ugly door lock slide. Spice up your interior with the machined or anodized black finish."