Race proven design delivers a significant handling improvement over the stock SX-R 1500 sponsons. Features a bulletproof fin mounting system that includes three anchor points with billet inserts. Backing plate is precision machined from high strength billet aluminum and anodized to prevent corrosion...

Our Power Filter Kit is designed to increase airflow to your carburetors allowing your engine to produce more horsepower. Kit fits original SX-R 800 carburetors. Features all-new 'cone-style' flame arrestors with stainless steel cap and integrated velocity cone that increases air flow rate and effic...

Directly replaces the OEM exhaust outlet on Kawasaki STX-F & Ultra models when combined with additional components that bypass or eliminate the stock rubber exhaust hoses and secondary waterbox. Constructed from billet aluminum, anodized to prevent corrosion & laser etched for style. NOTE: Does n...

All new 'GEN-2' design delivers a significant handling improvement over the stock sponsons with updated fins and backing plates. Includes a bulletproof mounting system that features three anchor points with billet inserts in sponson fins. Backing plate is precision machined from high-strength billet...

RIVA Racing's Kawasaki Ultra LX/STX-F Power Filter delivers improved acceleration and top speed by replacing the restrictive stock intake system. Power Filter feeds your engine with an increased volume of air via an oversized stainless steel, screen-type filter element that is certified to meet U.S....

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 extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that...

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 extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that...

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 extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that...

Introducing our all new Ride Plate for 2022+ Kawasaki Ultra 310 & 2023+ Ultra 160 models. We incorporated the race proven and championship winning design from our extensive line of ride plates to create the perfect balance of increased top speed (3+ mph) and improved handling no matter the condition...

Our Ultra 310 ‘K3’ Supercharger Pulley Kit produces +3 PSI over the OEM supercharger pulley delivering incredible horsepower and torque. The 101mm diameter main pulley is constructed of high strength billet aluminum and coated with a military spec material for improved belt wear and corrosion re...