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Sea-Doo GTX/RXT 300 ST3 (2018+)

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  • 4-Tec Pro Series Cylinder Head Stud Kit

    Our ultra high strength cylinder head stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision machined from premium grade 8740 alloy and heat treated to exacting tolerances, these studs dramatically increase reliability & ease of maintenance. Key Benefits Include: Superior material & heat treat process provide 10X better fatigue strength than OEM bolts. Studs provide impr...
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    $214.95

  • RIVA Valve Retainer Upgrade Kit Seadoo 1503/1630

    Our 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.   Applications: All Sea-Doo 4-TEC Engines. NOTE: For modified engines (Stage 3 & above) we recommend the complet...
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    $354.95

  • RIVA Sea-Doo 2005+ 1503 & All 1630 Intake Manifold Girdle

    NEW Sea-Doo 4-tec Intake manifold Girdle kit provides added strength to the Sea-Doo intake manifolds. The Bracket clamps around the side of the manifold easily without drilling or grinding of the stock manifold providing extra support to the join in the manifold that splits under higher boost pressures on skis with aftermarket superchargers or running higher rpm's.
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    $179.95

  • RIVA Sea-Doo SPARK 2016+ Handlebar Extensions

    Riva Handlebar Extensions allow easy installation of aftermarket grips up to 130mm in length. Mounts securely to ends of original handlebars via machined locking feature. Fits all Sea-Doo SPARK models. Key Features: Allows installation of popular ODI 130mm grips. Precision machined from 6063 billet aluminum. Anodized to prevent corrosion. Sold as a pair/Grips sold separately For all 2016 and newer SPARKs
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    $39.95

  • RIVA Sea-Doo 300 XXX Super Charger

    Presenting the ultimate performance supercharger for Sea-Doo 300 engines! The all new RIVA XXX-Charger is a complete supercharger assembly featuring a lightweight billet aluminum 142mm impeller that is precision balanced to deliver smooth operation. Includes billet spacer and machined front & rear housings that increase interior volume producing huge performance gains. Each XXX-Charger is hand assembled using Genuine BRP shaft kit & h...
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    $2,499.99

  • Solas Sea-Doo SXX-CD-13/16 Impeller

    Solas Concord Impellers increase low-end thrust and top-end speed. Constructed of high strength stainless steel, Solas Impellers feature a polished hub and exclusive hub-end water seal for reduced cavitation. All "R" model Solas impellers are placed in a pitch-block before leaving Solas to ensure accuracy for optimal performance.   Works well with tuned 230 engines using 161mm pump.
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    Regular Price: $382.95

    Special Price $360.00

  • Solas Sea-Doo SXX-CD-14/19 Impeller

    Solas Concord Impellers increase low-end thrust and top-end speed. Constructed of high strength stainless steel, Solas Impellers feature a polished hub and exclusive hub-end water seal for reduced cavitation. All "R" model Solas impellers are placed in a pitch-block before leaving Solas to ensure accuracy for optimal performance.   For highly modified 230 engines with 161mm pump
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    Regular Price: $382.95

    Special Price $360.00

  • 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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    $999.99

  • RIVA Sea-Doo 2020+ Pro-Series Waterbox

    Our Pro-Series Waterbox delivers increased horsepower and performance by reducing exhaust restriction and back pressure. Developed on a flow bench, our waterbox features radiused exhaust tubes and end caps for optimum exhaust flow. Innovative short design allows easy servicing of supercharger without removal of exhaust system. High-strength aluminum construction & precision welds will survive backfires & overheating. Powder coated to prev...
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    $472.95

  • RIVA SEA-DOO RXP/RXT 300 INTERCOOLER TUBING UPGRADE KIT

    Our Intercooler Tubing Upgrade Kit significantly improves the performance & reliability of your intercooler system. This is an essential upgrade for all racing and recreational performance craft. Key Features Include: Precision formed aluminum tubing: Our high strength aluminum tubes are shorter than original to minimize boost loss. Rigid aluminum will not swell under pressure like original soft rubber hoses providing improved throttle ...
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    $379.95

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