Our high impedance fuel injector kit delivers additional fuel to modified engines for high boost applications. 100lb (1,000cc) injectors are for use with aftermarket ECU for correct calibration. Kit includes 4 injectors, plug and play adapters and detailed installation instructions. Also sold indivi...

BACK BY POPULAR DEMAND Our 'GEN-1' Top-loader Intake Grate for 1.8/1.9L normally aspirated Yamaha GP HO, VX HO & VXR/VXS models delivers the ultimate in speed, hook-up & strength. Features oversized top-loader wing and optimized inlet ramp. Bulletproof stainless steel construction makes this gra...

Dramatically reduce cavitation and prop spin with our easy to install Pump Seal Kits. Location specific, molded inserts fill the voids in pump inlet shoe that bleed air into pump causing cavitation. Recommended for modified craft using RIVA 'GEN-1' Top-Loader Intake Grate only (part# RY22110). Inclu...

Introducing the ultimate billet throttle lever. Ergonomically designed for premium fit and feel whether you are on the waves or turning buoys. Precision bushings eliminate play common in OEM throttles and provide smooth actuation. All stainless hardware at hinge point eliminates corrosion and play. ...

Introducing the ultimate billet throttle lever. Ergonomically designed for premium fit and feel whether you are on the waves or turning buoys. Precision bushings eliminate play common in OEM throttles and provide smooth actuation. All stainless hardware at hinge point eliminates corrosion and play. ...

Introducing the ultimate billet throttle lever. Ergonomically designed for premium fit and feel whether you are on the waves or turning buoys. Precision bushings eliminate play common in OEM throttles and provide smooth actuation. All stainless hardware at hinge point eliminates corrosion and play. ...

Introducing the ultimate billet throttle lever. Ergonomically designed for premium fit and feel whether you are on the waves or turning buoys. Precision bushings eliminate play common in OEM throttles and provide smooth actuation. All stainless hardware at hinge point eliminates corrosion and play. ...

Introducing the ultimate billet throttle lever. Ergonomically designed for premium fit and feel whether you are on the waves or turning buoys. Delrin bushings eliminate play common in OEM throttles and provide smooth actuation. All stainless hardware at hinge point eliminates corrosion and play. No ...

Our Intake Manifold Upgrade Kit enables your 1.8L HO naturally aspirated engine to produce more horsepower by delivering increased air flow. Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold. Provides improved low end punch and mid range pull through quick...

Our Billet Driveline Couplers for Yamaha 1.8L & 1.9L engines are precision-machined and balanced to reduce driveline vibration. Designed to accept included OEM Kawasaki dampener which has proven much more reliable for high-performance applications. This coupler/dampener setup was tested extensively ...