Gen-Y Executive Torsion-Flex 5th Wheel King Pin Box (6.5K-8.5K PW Range 30K Towing)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