Product Description
- Replacement Inner Tube Stem & Shift Lock Gooseneck Coupler: Completely replaces your factory gooseneck trailer stem & coupler. Watch: Installs in minutes. (Does not include outer gooseneck tube.)
- Heavy Duty Thick Wall Design Stem for Superior Strength & Performance: Available for 100mm & 4″ Round, 100mm & 4″ Square, 4.5″ Square & Top crank style gooseneck stems.
- Extra Plating for Welded Stem & Coupler Connection: Additional plating to weld coupler to stem for long term strength and durability.
- Dual Latching Patented 30K Shift Lock® Gooseneck Coupler for 2-5/16″ Ball: Patented, game changing design. Dual latching, captures both sides of ball. Easy to use handle & see if it’s latched at a glance. Patent #’s 11,370,257.
- 30,000 lbs GTW Towing & 6,000 lbs Tongue Weight Capacity: Built years of service for the heavy duty gooseneck hauling.
- Black or Raw Steel Finish Options: Choose raw steel or impact resistant textured matte black powder coat finish.
- Stem has 4 Adjustment Holes & fits 2-5/16″ gooseneck hitch balls: Stems with holes have 4 adjustment holes that holes are 2-3/4″ apart. 4″ stems the holes are 3/4″ diameter and 4.5″ square the holes are 1″ in diameter.
- Includes Inner Gooseneck Stem & Shift Lock Gooseneck Coupler: Includes complete replacement inner tube gooseneck stem & Shift Lock® coupler for 2-5/16″ gooseneck ball.
- Not sure what size round gooseneck stem you have? Check out our gooseneck stem selection guide.
- Optional Shift Lock Gooseneck Locks: Box style coupler & set bolt lock kit is part # SH-GK30P-400GL-BLK. Box style coupler lock is SH-GK340P-BLK. Puck lock style coupler lock is: SH-9000-350. Set bolt lock, part # SH-400GL-ISP-BLK available and sold separately.
- Optional Outer Gooseneck Sleeve/Tube: Does not include weld on outer gooseneck sleeve tube. They are sold separately.
- The Shift Lock gooseneck coupler is also available on all Gooseneck Surge Air Hitches. Want the shift lock coupler on an gooseneck air hitch? Check out our Gooseneck Surge Air Hitches. Gooseneck couplers for 3″ ball available separately.
FAQ for Gooseneck Trailer Towing
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- Type of Round Gooseneck Stems
- Do I Need an Offset Gooseneck Coupler?
- Advantages of Air Hitches
- Gooseneck Trailer Chucking
- Do I Have a Gooseneck or 5th Wheel?
- What is Towing Capacity?
- Shocker Gooseneck Hitch Uses
- Types of Trailers for Towing with a Pickup Truck
- Types of Gooseneck Balls
- Why Grease Your Hitch Ball?
- How to Back Up a Gooseneck Trailer?
- How To Level Trailer
- How To Fix Truck Squatting
Round Tube Pin & Sizing Guide
Note: Pin angle refers to the angle the pin goes through the stem, left to right, or 0 degrees is Straight across, which is very rare. The more common ANGLED pins have the pin coming out slightly back on drivers side & forward on the other side. See fitment guide
Adjustable 30,000 lb inner tube gooseneck stem & Shift Lock® coupler for 2-5/16″ gooseneck ball. This inner tube replacement gooseneck stem & Shift Lock® gooseneck coupler has heavy duty thick walled round & square inner stem tube options with additional heavy duty plating to weld coupler to stem for long term strength and durability. The patented Shift Lock gooseneck coupler by Shocker Hitch is now available with a direct replacement inner tube stem for your gooseneck trailer. Upgrade your gooseneck trailer with the easy to use, patented dual latching Shift Lock coupler for gooseneck trailers. The shift lock design makes it easy to see if you are locked onto the ball at a glance. It is rated at 30,000 lbs rated and is the only gooseneck coupler that captures ball on both sides. The Shift Lock handle makes it super easy to hook up and disconnect the gooseneck coupler from the ball. The 30K Shift Lock gooseneck coupler fits 2-5/16″ hitch balls. Our Shift Lock Coupler is easy, fast, and safe. We use dual latching simple sliding rods made with alloy steel to lock the ball in place. Available in matte black textured impact resistant powder coat finish or choose raw steel and paint it yourself. Works great on gooseneck style trailers; dumps, flatbed, horse, race trailers and more. Round & Square gooseneck stem & coupler options. Completely replaces your factory stem & coupler with a replacement stem & Shift Lock coupler. Watch: Installs in minutes
Patent # 11,370,257 B1
California Residents: Prop 65 Warning
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