PullRite's OE Gooseneck ball fits truck's factory-equipped Tow Prep Package or any aftermarket underbed gooseneck system with a 2-5/16 inch ball. This ball adapter has patented cam-action, TwistLock technology and no plastic parts to break. There are no openings in the top to allow dirt and moisture in to corrode, unlike other brands! It has a hard nickel finish that is resistant to scratches. All OE Series Gooseneck Balls have an additional safety feature available to you. We have machined the hitch pin to accommodate our special #2621 OE Gooseneck Ball Security Kit to deter theft. This kit includes PullRite's Cam-Action Ball, standard hitch pin and clip. Does not include a lock and key.