Shocker Gooseneck Stem & Shift Lock 9" Offset Coupler for 2-5/16" Ball - Square with Top Crank, Raw Steel – Square with Top Crank, Raw Steel
$580.98
$1,141.23 save $560.25
or as low as $49/mo with flexible financing — 4, 6, or 12 months. Options at checkout.
Smooth Air Ride
Patented air-bag suspension absorbs road shock between truck and trailer for a noticeably calmer ride.
Reduces Trailer Sway
Air cushioning keeps the trailer tracking straight through rough pavement, expansion joints, and crosswinds.
1-Year Manufacturer Warranty
Every Shocker Hitch is covered for 365 days against defects in material or workmanship, plus a 60-day satisfaction guarantee.
Fast Installation
Drop-in fit using standard hitch pins — no drilling, welding, or special tools required to install.
Stop destroying your trailer and cargo.
Every bump, pothole, and expansion joint sends a violent jolt through your trailer frame, damaging cargo and wearing out your truck. Shocker Air Ride Hitches absorb that punishment at the coupling, before it reaches your trailer.
Extend your Gooseneck trailer hookup 9 inches forward with our replacement Shocker gooseneck 9" offset extension coupler adapter with 30,000 lbs Shift Lock® gooseneck coupler for 2-5/16" gooseneck ball. Great for short bed pickup trucks pulling gooseneck trailers. This inner tube stem is available for square stem gooseneck trailers. Fits Gooseneck Trailers with a 4″ or 100mm Square Inner Tube Stem with Top Crank Handle Only. This offset extended gooseneck stem features heavy-duty thick wall inner tube & 9" extender coupler has HD dual gusset supports and top coupler collar plating steel make it super strong and heavy-duty with a 30,000 lbs GTW & 6,000 lbs Tongue Weight. The inner stem & coupler is super easy to install, and the Shift Lock® gooseneck coupler is rated at 30,000 lbs GTW. This patented dual-latching gooseneck coupler is the only one on the market that captures ball on both sides. Plus, at a glance, you can see if the gooseneck coupler is locked on the ball. The Shift Lock level handle makes it super easy to hook up and disconnect the gooseneck coupler from the ball. The 30K Shift Lock Coupler fits 2-5/16" gooseneck hitch balls. We use dual latching simple sliding rods made with alloy steel to lock the ball in place. Works great for short bed pickup trucks when you're pulling and towing gooseneck style trailers; dumps, flatbed, horse, race trailers, and more. Raw steel so you can paint it yourself to match your Trailer. Completely replaces your factory gooseneck inner stem & coupler with a 9" offset stem & Shift Lock coupler.
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$580.98
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Skip the product wall — these are the four guides every buyer actually opens before they decide.
Installation Guide
Step-by-step videos for every Shocker family. What's in the box, what tools you need, and how long it takes.
Watch the installAir Pressure Setup
How to dial in air pressure by trailer weight so the ride is right the first time and the hitch lasts longer.
See psi by loadTowing Capacity Guide
Match GTW, tongue weight, and receiver size to your truck class so you don't over- or under-buy.
Read the guideConfigure Your Hitch
60-second fit quiz — answer a few questions about your truck and trailer, get a tailored recommendation.
Start the quiz
- 1-Year Manufacturer Warranty
- 60-Day Returns
- 20,000+ Customers
- Ships from Canada