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INTAKE
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SEA-DOO
4 STROKE
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CHEMICAL
SEA-DOO 4-STROKE • ENGINE
RIVA SEA-DOO VALVE TRAIN UPGRADE KIT
RIVA’s Valve Train Upgrade Kit increases the reliability of your modified engine
by reducing the possibility of valve float at high rpm. Includes lightweight,
precision-machined titanium valve retainers, racing valve springs, base washers
and OE rocker arm shaft bolts that must be replaced during installation.
Description Part No.
RXP/RXT/GTX Valve Train Upgrade Kit
RS19050-VTU
RIVA SEA-DOO STOCK VALVE
RETAINER KIT
RIVA’s Valve Retainer Upgrade Kit increases the reliability
of your engine by reducing the possibility of valve float at
high rpm. Includes 12 lightweight, precision-machined
titanium valve retainers and 6 OE rocker arm shaft bolts
that must be replaced during installation. A must for
IJSBA & APBA Stock Class race craft.
Description Part No.
RIVA Stock Valve Retainer Kit SD RXP/RXT/GTX
RS19050-SRU
RIVA SEA-DOO HIGH
PERFORMANCE VALVE SET
RIVA High Performance Valve Kits are
engineered to improve reliability and
performance in high-boost supercharged &
turbocharged engines. Intake valves are built
from high grade EV-8 (24-4N) stainless that is
extremely resistant to corrosion. Exhaust
valves are built from inconel alloy (IN-751) that
is highly resistant to heat damage. Valve heads have been redesigned for
increased air flow and durability. Valve stems feature hard-chrome plating for
superior wear & lubricity. Kits include high strength valve locks, precision
machined from 4130 chromoly.
Drop-In Valve Kits:
Direct drop-in replacement valves require no machining
of cylinder head.
Oversized Valve Kits:
+1mm Intake & +2mm Exhaust valves deliver more
air flow (requires machining of cylinder head).
Key Features:
• Stronger & lighter than stock valves.
• Redesigned valve heads for improved air flow & strength.
• High grade stainless intake valves resist corrosion.
• Inconel exhaust valves resist heat from high boost applications.
• Valve stems are hard-chrome plated for improved wear.
• Includes high strength valve locks.
• Sold in sets of 12 (6 Intake/6 Exhaust).
Description
Part No.
RIVA Sea-Doo High Performance Valve Set
RS19050-HPV-0
(Standard/Drop-in)
RIVA Sea-Doo High Performance Valve Set
RS19050-HPV-1:2
(+1mm Intake / +2mm Exhaust)
PRO-X SEA-DOO OEM
REPLACEMENT STEEL VALVES
Manufactured by the leading OEM factories in Japan. Made to exact OEM
specs and tolerances.The steel valves are a direct and cost efficient OEM
replacement.
Description Part No.
Pro-X Sea-Doo Exhaust Valves
28.5594-1
Pro-X Sea-Doo Intake Valves
28.5594-2
*Pro-X Sea-Doo Replacement Valves are sold individually.
R&D HIGH PERFORMANCE
TITANIUM RETAINERS
• Increased spring preload at seat and full lift
• Designed to work with stock valve springs for pro stock class racing
• Increased valve control
• 50 percent lighter than stock, much stronger
• Will work with camshaft specs up to .340 - .350 lift
• Installs using O.E.M. valve locks
• Installs on all 2012+ RXP-X/RXT-X/iS aS
Description Part No.
R&D Titanium Retainer Kit
613-80014
R&D TITANIUM RETAINERS
AND VALVE SPRINGS
• Increased spring preloads at seat and full lift
• Designed to work as a dual valve spring spec
for Pro Limited class racing
• Increased valve control
• 50 percent lighter than stock, much stronger
• Will work with camshaft specs up to .400 lift
• Installs using O.E.M. valve locks
• Installs on all • Installs on all
2012+ RXP-X/RXT-X/iS aS
Description Part No.
R&D Valve Spring Titanium Retainer Kit
613-80015
