New Product Update: Riva Racing and R&D Performance Recently added to their Arsenal with a new set of Performance Parts for the Yamaha SHO FZR Watercraft. The New Riva Racing Stage 2 Engine Kit is said to produce 260 HP @ 7600 rpm, Utilizing the Stock ECU and Fuel Injectors. New Parts included in this Kit are the Riva Racing Boost Clamp and Riva Engine Cooling Upgrade Kit. Now if you are in need of a bit More Boost, Check out the Riva H1 Race Charger Housing and Impeller. R&D Performance gave us two opions of Performance Cams for the SHO Motor with the RC1 and RC2 Racing Cam Kits which add up to 25+ more HP. R&D also Just released their New Pro Tune Adjustable Cam Gear Kit for a 10-15 HP Increase. Be sure to check out our Featured Products Section for more Info on each Featured Performance Watercraft Parts.