CURT Puck System Gooseneck Hitch, Fits Select Chevy, Ford, GMC, Nissan Trucks, 38,000 lbs. GTW, 2-5/16-Inch Ball, Pucks Required Model 60639CURT Puck System Gooseneck Hitch, Fits Select Chevy, Ford, GMC, Nissan Trucks, 38,000 lbs. GTW, 2 5 16 Inch Ball, Pucks Required Model 60639 Outfitting your pickup to tow gooseneck trailers is easy with the CURT OEM puck system gooseneck ball and safety chain anchor kit. The components of this 38K kit easily drop into the truck bed pucks, instantly equipping the truck for gooseneck towing. The kit includes a gooseneck ball, safety chain anchors, a