Shift Lock 30K Gooseneck Coupler w/ Adjustable Inner Tube Stem

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Product Information:

List Price: $329.99$349.99Sale Price: $309.99$319.99

SKU: SL-3000-Base

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Product Description

  • Completely replaces your factory inner tube stem & coupler: Installs in minutes.
  • Heavy Duty thick wall design stem: Available for 4″ Round, 4″ Square & Crank style gooseneck stems
  • 30K Shift Lock Coupler: Patent pending, game changing Gooseneck coupler design. Dual latching, captures both sides of ball. Easy to use handle & see if it’s latched at a glance
  • 30,000 lbs towing & 6,000 lbs tongue weight capacity.
  • Fits 2-5/16″ gooseneck hitch balls.
  • Stems have 4 adjustment holes, holes are 2-3/4″ apart.
  • Includes complete replacement inner tube gooseneck stem & Shift Lock™ coupler
  • Does not include outer gooseneck tube
  • The Shift Lock 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

Shocker Hitch Guarantee

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30,000 lb gooseneck coupler with adjustable inner tube stem. Inner tube replacement gooseneck stem & coupler. The Shift Lock™ gooseneck coupler by Shocker Hitch is now available with a direct replacement solid inner tube stem with Shift Lock coupler. Upgrade your gooseneck trailer with the easy to use, patent pending dual latching Shift Lock coupler for gooseneck trailers.  It is rated at 30,000 lbs rated and is the only gooseneck coupler 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 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″ hitch balls. We have a solution. 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. Works great on gooseneck style trailers; dumps, flatbed, horse, race trailers and more. Completely replaces your factory stem & coupler with a replacement stem & Shift Lock coupler. Installs in minutes.

The Shift Lock coupler is also available on all Gooseneck Air Hitches

California Residents: Prop 65 Warning


Shift Lock Gooseneck Coupler Videos

Hooking Up Gooseneck to Trailer



The Shift Lock gooseneck coupler can literally be installed in a minute or two. Unbolt and unpin your factory stem and attached to replacement stem with the shift lock coupler. Watch the installation video below.

Shift Lock Gooseneck Coupler Installation Video



This product is back the Shocker Hitch Manufacturer Warranty and the Shocker Hitch Guarantee.

Shocker Hitch Guarantee

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Weight / Dimensions

Weight 35 lbs
Dimensions 30 × 12 × 12 in
Select Gooseneck Inner Stem Size & Pin Type

Round 3-15/16" -Straight Pin, Round 3-15/16" Angled Pin, Round 4" -Angled Pin 10-20°, Round 4" -Blank No Pin, Round 4" -Straight Pin, Square 3-15/16" -StraightPin, Square 3-15/16" -Top Crank, Square 4.5" -Straight Pin, Square 4" -Straight Pin, Square 4" -Top Crank