2017 Keystone RV Fuzion 371, 2017 Keystone RV Fuzion 371 The Keystone Fuzion remains one of the very best selling 5th wheel toy haulers. The Fuzion 371 is another great example of the excellence of the Fuzion product line. The floor plan is super functional and the build quality is the best in the industry. The 371 has every feature an off road enthusiast looks for while being spacious and comfortable. The 371 toy hauler has a fit and finish that that rivals the finest luxury 5th wheels in the country. Come take a look. You will be impressed.
