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Engine Parts

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  • RIVA Sea-Doo 4-TEC Valve Train Upgrade Kit

    Our 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.Valve Compression Tool also available.   Applications: All Sea-Doo 4-TEC Engines.
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  • Sea-Doo RIVA 4-TEC Open Loop Cooling Kit 230 & 300 Engines

    Our Open Loop Cooling Kit dramatically reduces engine operating temperatures for improved performance & reliability. Also allows installation of RIVA Performance Ride Plate by eliminating need for heat exchanger. Original closed loop system becomes quickly heat soaked in high performance applications. Open loop system increases cooling efficiency via steady supply of cool external water. NOTE: Water routing is designed for engines running up...
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  • Sea-Doo Head Gasket 1503 4-Tec 02-17

    Item#: 007-399-05 Head Gasket: Sea-Doo 1503 4-Tec 02-17 OEM#: 290950770, 420950770, 420950771  Brand: WSM FITMENTS: Make Model Year(s)   Sea-Doo Challenger S 155 1503 2012   Sea-Doo Challenger S 255 1503 2012   Sea-Doo Challenger S/C 215 1503 2005-2009   Sea-Doo Challenger SE 155 1503 2007-2012   Sea-Doo Challenger SE 215 1503 2007-2012   Sea-Doo Challenger S...
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  • RIVA Sea-Doo 300 / 260 / 255 / 230 / 215 Racing Camshaft

    Our precision ground racing camshaft delivers a serious gain in horsepower and torque with its optimized valve lift profile. Billet steel construction provides superior strength and torsional stability. Use with Riva Valve Train Upgrade Kit for maximum reliability. Increased horsepower and torque. Reduced weight for quicker revving. Aircraft grade billet steel construction for superior strength and torsional stability. IJSBA Limited Class...
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4 Item(s)

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