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Our Stage III Kit is designed specifically for the serious
racer due to it's incredible performance level and requires
use of fresh 92+ octane pump fuel.
RIVA Power Filter Kit is
installed. Power Filter provides greatly improved
acceleration and a 150~200rpm increase by replacing
restrictive stock intake system. Features a large 3"
diameter intake duct and oversized K&N filter element that
feeds your Supercharger with a steady diet of cool air.
Installs quickly and securely using a silicone coupler and
sturdy bracket.
RIVA / Vortech Pro-Series
Supercharger Impeller & Housing are installed. High
performance impeller and housing combo deliver a significant
increase in boost pressure and horsepower due to increased
blade area and larger interior volume. Sophisticated blade
design that has been precision balanced for smooth
operation.
RIVA Pro-Series Fuel
Injector Kit is installed. Our 50lb racing injectors flow
more fuel to match the needs of our Stage III modifications.
RIVA Power Cooler Kit with
integrated Billet Blow-off Valve is installed replacing
original intercooler system. Our Power Cooler is
dramatically more efficient than original intercooler system
delivering an increase of 15 peak horsepower with exit
temperatures averaging 50°F cooler than stock. Features
large, unrestricted core that exhibits minimal pressure loss
compared to stock intercooler. Includes integrated blow-off
valve for improved reliability and performance. Valve
relieves unwanted pressure during off-throttle operation
reducing supercharger clutch wear and eliminating heat soak
in discharge tube.
RIVA Rear Exhaust Kit is
installed. Kit allows removal of restrictive sound
suppression system located between waterbox and hull exit.
Improves engine performance by reducing back pressure &
restriction. Includes custom molded exhaust tube and billet
through hull exhaust outlet. It is necessary to install Rear
Exhaust Kit to accommodate RIVA Power Cooler Kit.
RIVA Racing ECU is installed.
Our racing ECU is programmed to match the increased
performance needs of modified engines. Fuel delivery, timing
and rev limit have been recalibrated to compliment Stage III
modifications. Plugs directly into wiring harness in place
of stock ECU.
RIVA Thermostat Kit is installed. Kit reduces operating
temperature of modified 4-TECŪ engine by 30°F for maximum
reliability and performance.
RIVA Titanium Valve Retainer Kit is installed. These
lightweight retainers increase reliability and performance
of modified engines. Unique design increases valve spring
tension reducing possibility of valve float at high RPM.
RIVA Heavy-duty Supercharger Clutch Washers are installed.
These are direct replacements for the original ceramic
clutch washers that are prone to fail on modified engines.
Must be use with 2006 style Sea-Doo supercharger shaft.
RIVA RXP Top-Loader Intake Grate is installed. Unique
reverse wing design eliminates prop spin and cavitation
while delivering improved handling and top-speed.
RIVA/Skat-Trak Swirl Impeller is installed. This impeller is
specifically designed for our Stage III Performance Package
using a pitch block to ensure accuracy. Billet impeller cone
is included.
RIVA Pump Wedge is
installed between pump stator and output nozzle. 2-degree
wedge trims up your pump nozzle raising the bow of your
craft for less drag substantially improving top-speed.
Features a double-sided lip to retain silicone sealant and
prevent cavitation.
RIVA VTS Extension Rod is
installed. Allows maximum "nozzle down" adjustment after
installation of RIVA Pump Wedge. Necessary with Stage III
modification to trim bow down off the line while providing
maximum top speed advantage when trimmed up.
RIVA Pro-Series Reduction
Nozzle is installed. Allows nozzle exit diameter to be
easily changed via interchangeable ring system to maximize
performance in varying conditions. Includes three stainless
steel rings in graduated sizes.
RIVA Pro-Series Sponsons
are installed. Our sponsons dramatically improve the
handling of the RXP with superior blade & backing plate
design. Sponson depth is adjustable to accommodate riding
style.
RIVA Pro-Series O.P.A.S.
Block-Off Kit is installed. Removal of O.P.A.S. System
improves handling characteristics for competition use.
Removal of O.P.A.S. System is necessary to accommodate RIVA
Rear Exhaust Kit. RIVA Racing does not recommend the removal
of O.P.A.S. system for recreational use.
- STAGE III KIT FOR COMPETITION USE ONLY -
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