RIVA SUPERCHARGER IMPELLER

RIVA SUPERCHARGER IMPELLER

Presenting the ultimate (drop-in) performance supercharger impeller for the Yamaha 1.8 liter SHO Engine! Working closely with Vortech Engineers, we designed these impellers to deliver more horsepower and torque throughout the RPM range resulting in excellent acceleration and top speed. Investment cast from an extremely strong, lightweight proprietary aluminum and CNC machined to ensure exact tolerances. All new blade design is optimized aerodynamically and precision balanced to deliver smooth operation. Installs easily into stock supercharger housing with no modifications required. Includes detailed installation instructions. Produces 16psi @ 8,000rpm.

Note: Requires use of aftermarket engine management system for proper calibration.

Stroke: 4 Stroke