Gooseneck Air Hitch & Coupler, Round 4" Straight Pin 30K SL Coupler T4253

The air ride Shocker Gooseneck Surge air hitch & coupler is the ultimate in gooseneck trailer towing for your Load Trail, also called Load Max gooseneck flatbed, flat deck, tilt or dump trailer. Featuring a 30,000 lbs patent pending Shift Lock? gooseneck air coupler for 2-5/16" hitch ball. The built in air bag cushions the ride and absorbing the road shock creating a smooth, safer towing experience. It make it way easier on you, your pickup, trailer and it's load. This shock absorbing hitch fits the Load Max or Load Trail Trailer dump or flatbed gooseneck trailers. A Load Trail gooseneck trailer with the round stem has set bolts for 20-30 degree pin angle. The Gooseneck Surge air hitch is the only air ride hitch to exclusively work in a forward and back motion, which is often times this is the biggest jerk you feel when towing gooseneck trailers. Whether you occasionally tow or are a hotshot trucking company, the road shock absorbing gooseneck hitch will really change the game. Made specifically for a Load Max Load Trail gooseneck trailers. Works great on gooseneck style end dumps, flatbed, tilting trailers and more. Completely replaces your factory gooseneck stem & coupler with the Gooseneck Surge Air system & coupler. Installs in minutes. Note: Most Load Trail gooseneck trailers have round stems that are 100mm (3-15/16") with angled pins holes, HOWEVER in 2021 some models are 4" round with straight pin holes. The Shocker gooseneck surge air hitch has slotted / angled holes for the pin and attaches easily to those stems. Replacement inner tube stem has 3 adjustment holes and the coupler extends 3? forward from factory location or you can also order it with a 9? offset coupler for short bed pickup trucks .Air Ride Hitch Technology: Shocker Air is designed with a built-in air bag for a smoother towing experience. Just add air depending on the weight of your Load Trail trailer and it?s contents. View Shocker Hitch PSI guide.