RIVA YAMAHA GP1800/VX Pro-Series Sponsons

Our race proven Pro-Series Sponsons deliver dramatically improved handling & straight line stability with superior fin & backing plate design. Features a cutting edge stepped surface for unmatched control. Bulletproof mounting system utilizes aluminum inserts for maximum strength. Fully adjustable three position fin to control the amount of influence they have on the craft. Easy bolt-on installation uses original mounting points. Includes all necessary hardware and installation instructions.