Our Performance Air Filter directly replaces the stock paper element delivering performance through greatly improved air flow without sacrificing filtration or reliability. Built to our specification by K&N, the...
RIVA Racing's Sea-Doo RXT/GTX 230 Power Filter feeds your supercharged engine a steady diet of cool air delivering greatly improved acceleration and rpm. Replaces restrictive stock air box with a high-volume,...
Our cool running Thermostat Kit reduces the operating temperature of your modified 4-TEC? engine by 30?F for maximum reliability and performance.Kit includes:Replacement thermostatBillet coolant inlet flangeStock...
RIVA High Performance Valve Kits are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is...