Executive Fifth-Wheel King Pin Box | GEN-Y HITCH
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Executive Fifth-Wheel King Pin Box

(7 customer reviews)
Smoothest Ride Achieved at Specified Tongue Weight Range
  • Built-In Suspension Creates Up to 90% Smoother Ride
  • Protects Cargo from Harsh Bumps
  • Increases Fuel Economy

How to Determine Which EXECUTIVE You Need

GH-8000 Filler Shim Set Required For Bolt Pattern B on Spec Sheet 

Add Lifetime Warranty

If you own a Grand Design Momentum or New Horizon fifth wheel, please give us a call before ordering (574)218-6363.


SKU N/A Category

“Hands down the highest quality hitch on the market! American made, best ride quality, adjustability, & just plain safe! Thanks GEN-Y!”

Protected under Patents – US D873723S US10633039B2

If you own a Grand Design Momentum, please give us a call before ordering (574)218-6363.

Fifth Wheel King Pin Box

Attention RV enthusiast! The EXECUTIVE is the best riding fifth wheel pin box on the market. By isolating the truck from the fifth wheel trailer with TORSION-FLEX technology, the shock transfer is eliminated by up to 90%. This not only results in an incredibly smooth ride for truck and RV, it also gives the driver much more steering control. Customers have also reported many other benefits including: increased fuel mileage, decreased tire wear and reduced wear and tear on all towing components. Backed by a 100% satisfaction guarantee, The Executive will give you the best and safest towing experience on the market. Keep your family safe and comfortable for years to come.

-5 Year Warranty on All Moving Parts

-Limited Lifetime Warranty on All Remaining Components

Please Note: It is important to be within the optimal Tongue/Pin weight specified for each model number!


  • Made in the USA
  • Fabricated with Heavy Duty Steel
  • Eliminates Shock Transfer
  • Precision Milled and Drilled
  • Maintenance Free
  • Durable Powder Coat Finish
  • Tongue Weight Scale
  • Engineered using SOLIDWORKS software
  • Patents protecting the GEN-Y (Torsion Flex) include #(s) US9505281B1, USD773345S1USD9868327B1
  • (Patent Pending for the Fifth Wheel King Pin Coupler)

All GEN-Y products are rigorously tested and exceed the VESC-19 testing requirements. Never exceed recommended capacity on any trailer tow coupling or vehicle receiver hitch.

Weight N/A
Dimensions N/A
Towing Capacity

2.5K Hitch/Pin Weight, 3.5K Hitch/Pin Weight, 4.5K Hitch/Pin Weight, 5.5K Hitch/Pin Weight, 6.5K Hitch/Pin Weight, (LCI Rhino Box) 2.5K Hitch/Pin Weight, (LCI Rhino Box) 3.5K Hitch/Pin Weight, (LCI Rhino Box) 4.5K Hitch/Pin Weight, (LCI Rhino Box) 5.5K Hitch/Pin Weight

7 reviews for Executive Fifth-Wheel King Pin Box

  1. Ken Fehrenbach (verified owner)

    Zero chucking! You can see and feel the cushioning. Easy install. Best investment I made!

  2. Troy Thurman

    I ordered the Executive Fifth-Wheel King Pin Box (Torsion-Flex) after doing a lot of online research. Torsion-Flex axles have been around for quite some time and I felt much better about that type of a set up compared to an airbag with a shock by other manufacturers. With the Gen-Y product, I will be able to just hook up and drive! When calling Gen-Y with a few questions before ordering, their customer service is “excellent” and answered all of my questions. Placing my order was very easy. The item arrived quickly and on the exact day I was told it would. The packaging was outstanding. I will definitely recommend Gen-Y to all of my friends, and if I need anything else hitch related for towing I will shop at Gen-Y first. I appreciate a company like Gen-Y and they have earned me as a customer for life.

  3. Joe bear

    Ride it much improved. Works just as I thought it would. Chucking is almost completely Gone.

  4. Jay Rakowski

    This is the best addition I’ve made to my camper, It improved the ride 100%. I would recommend this pin box to anyone with a 5th wheel.

  5. David Weber

    This pinbox is by far one of the best improvements that I have made to my toyhauler. You can see it cushioning the ride as you go done the road. No airbag to leak or trying to find the correct air pressure. Just hook up and go. The best part is that it not at its max capacity to start. With the heavy toyhaulers I was concerned with the pinbox being rated right at the max trailer capacity and it being too easy to over load the trailer. The Gen-Y Executive Fifth King Pin Box is designed and built heavy duty. Glad I went this route.

  6. Tim Cooper (verified owner)

    Used only once but a much improved ride. Looked at air ride hitches but this is so much better. No need for air supply, hitch and go. I DO wish there was a little (in 1/2 inch drop on the tongue from the bolts. Mine will not go to the highest setting. Might be the trailer build but I am running a bit nose high with hitch as low as it goes and hitch as high as possible. Just have to deal with it. It’s not too bad.

  7. Bradley Von Haugg (verified owner)

    This pin box is a game changer! We’ve had really bad porpousing issues due to being maxed out on the truck… Every time we hit the bridge expansion joints I have to hit the trailer brakes to level us out…. I was skeptical of whether this would help. After installing it we took out our Keystone Laredo 285sbh for a test drive and WOW!. Wife and I looked at each other after purposely hitting some large bumps that would normally send us bouncing…. Everything stayed completely calm and no bouncing! It seems like someone just muted the bumbs!

    FYI, this will make you nose high if you were already in the highest position before… Example… Same bolt location will put the pin down almost 4″! I am in the process of upgrading the suspension to raise the rv up a few inches and we’ll be level again.

    If you are on the fence on getting this… You won’t regret it!

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