RIVA High Performance Valves 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 extremely...
Pump Plug Kits improve pump intake efficiency by filling voids intended to help reduce overall weight. Kit is easy to install and provides immediately noticeable improvement.NOTE: Compatible only with Worx Intake...
Suit up with the fastest monster the watercraft racing tour has ever seen! Fully equipped with a RIVA Racing stage 18 and full nitrous oxide, Radical RIVA Randy, everyone?s favorite speed-demon is on a one-way trip to...
TDR Silencer Baffled Waterbox. This baffle design waterbox is for the Yamaha Superjet rider who wants a power increase with a deep throaty sound. This waterbox design works well with mildly and highly modified Yamaha...
Increase airflow and powerEasily installedMounts directly onto original flame arrestor caseBuilt to our specifications by K&NIncludes water repellent pre-filter cover.NOTE: We strongly recommend removal of catalytic...