Riva offers a Fuel Pressure Regulator Block off Kit which will allow the OEM stock in tank fuel pressure regulator to be removed, blocked off, and replaced with a billet part which is mandatory when installing an aftermarket externally adjustable fuel pressure regulator system. The OEM in tank fuel ...

Our Billet Racing Cams add 20 peak horsepower and increased torque throughout the rpm range in your modified SHO engine. Made for us by Web Cam and precision ground to our specification from 8620 billet steel that is heat treated for maximum strength. Features added oil ports in cam lobe contact are...

Our heavy-duty, 100% stainless steel wear rings/impeller liners are the perfect replacement for your damaged original unit. Durable solid stainless steel construction resists debris damage and saltwater corrosion. Original Yamaha wear ring is constructed of cast aluminum with a thin stainless steel ...

Our heavy-duty, 100% stainless steel wear rings/impeller liners are the perfect replacement for your damaged original unit. Durable solid stainless steel construction resists debris damage and saltwater corrosion. Original Yamaha wear ring is constructed of cast aluminum with a thin stainless steel ...

This tool allows easy removal and replacement of supercharger impeller for all supercharger service needs. Precision machined tool securely holds gear on all Yamaha SHO & SVHO applications. A must for every mechanics tool box!...

Our Super-Duty GEN-4 SHO/SVHO Supercharger Shaft Kit provides the ultimate in reliability for high boost applications. Kit features a revolutionary hydraulic shaft stabilization bearing that limits shaft deflection and wear. Bearing stabilizes end of supercharger shaft via high pressure oil film dra...

High quality custom cover for your factory chin pad. These covers are hand made in the USA with the finest materials including Ballistic Nylons & Ultra-Grade Marine Vinyl. Fits 1996~2020 stock chin pad. Key Features: High quality custom chin pad cover Hand made in the USA ...

Our 3-Bar MAP Sensor Kit is essential for accurate engine management with boost applications over 14.7psi. High quality 3-Bar MAP Sensor will measure up to 29.7psi, where the OEM 2-Bar MAP Sensor will only measure up to 14.7psi. It is critical to provide accurate pressure information to your ECU to ...

Our new generation supercharger impeller for the Yamaha SVHO Engine delivers incredible horsepower and torque throughout the RPM range. All new blade design produces increased boost pressure and air flow resulting in excellent acceleration and top speed. Precision machined from billet aluminum to ex...

Our new generation 'R4' supercharger impeller for the Yamaha SVHO Engine delivers incredible horsepower and torque throughout the RPM range. All new blade design produces increased boost pressure and air flow resulting in excellent acceleration and top speed. Precision machined from billet aluminum ...