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RIVA Yamaha SVHO 'R4' Supercharger Impeller

RIVA Yamaha SVHO 'R4' Supercharger Impeller

RY17080-SCI-R4
  • $599.95
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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 to exact tolerances and anodized to prevent corrosion. Installs quickly and easily into stock supercharger housing. Includes detailed installation instructions.
Key Features:

More acceleration & top speed
Constructed with 2618 U.S. Forged Aluminum
Precision machining does not require “old school” post production balancing
Anodized to prevent corrosion
Made in North America

NOTE: For use with Stage 3 & Up modifications. Requires use of aftermarket engine management system & Supercharger Shaft Upgrade Kit.
Boost Performance:

8.5 PSI @ 6,000 RPM
11.75 PSI @ 7,000 RPM
16 PSI @ 8,000 RPM
19.5 PSI @ 8,500 RPM
22 PSI @ 9,000 RPM
25 PSI @ 9,500 RPM