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Kawasaki Engine Parts

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  • Kanaflex Tubing - Sold by the Foot

    Ordered by the foot. Select the quantity you need, and we will send that length.We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruction...
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    $7.49

  • R&D KAWASAKI ULTRA 250/260/300 COOL AIR INTAKE KIT

    The R&D high performance Air Filter Kit will improve acceleration and top speed performance by increasing air flow and reducing air temperatures that enter directly into the Ultra 310’s air plenum box area. The O.E.M. air plenum box on the Ultra 310 is a great design that will flow plenty of air. However, the air that feeds the plenum box is heated by the engine. R&D has created an easy to install “flat filter” that installs directly in pla...
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    $122.80

  • MTX-L Wideband Digital Air/Fuel Ratio Gauge Kit AFR

    ALL-IN-ONE!! (Wideband Controller integrated into easy to read gauge housing) The new Innovate Motorsports Digital MTX Series Air/Fuel Ratio Gauge utilizes the only 100% digital Wideband air/fuel ratio technology on the market! Gauge features a water resistant casing, interchangeable faceplates and bezels, and 2 fully programmable linear analog outputs for use with aftermarket engine managements systems and dataloggers! KEY FEATURES Inc...
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    $299.99

  • RIVA Power Filter for RS13050 Power Filter Kit

    Billet Band Clamp seals & secures ducting to velocity stack and double male flange. We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruct...
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    $49.99

  • RIVA Sea-Doo Supercharger Velocity Stack Kit

    Billet Band Clamp seals & secures ducting to velocity stack and double male flange. We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruct...
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    $99.99

  • Free Flow Exhaust Kit Ultra 310

    Replaces the restrictive sound suppression system located between the water box and hull exit on your watercraft improving engine performance by reducing back pressure and harmful detonation. Made from These mandrel bent aluminum tubing and powder coated to prevent corrosion.
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    $259.99

  • R&D KAWASAKI ULTRA STAINLESS INTAKE VALVE KIT 1MM (SET OF 8)

    R&D offers High Performance Racing Valves that are designed to be lighter, stronger, and most importantly, outflow stock O.E.M. valves. R&D valves will flow 1.5 CFM more over stock valves with R&D’s race proven back cut seats and high flow undercut stems. Each R&D Valve is a one piece forged design from only the highest grades of Stainless and Inconel materials with a 52 HRC hardened valve stem tip for maximum strength. Valv...
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    $364.95

  • Kanaflex Billet Clamp

    Billet Band Clamp seals & secures ducting to velocity stack and double male flange. We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruct...
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    $49.99

  • R&D KAWASAKI ULTRA EXHAUST VALVE KIT STANDARD (SET OF 8)

    R&D offers High Performance Racing Valves that are designed to be lighter, stronger, and most importantly, outflow stock O.E.M. valves. R&D valves will flow 1.5 CFM more over stock valves with R&D’s race proven back cut seats and high flow undercut stems. Each R&D Valve is a one piece forged design from only the highest grades of Stainless and Inconel materials with a 52 HRC hardened valve stem tip for maximum strength. Valv...
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    $339.95

  • R&D KAWASAKI HIGH PERFORMANCE DUAL VALVE SPRING KIT

    R&D has developed an economical solution for upgrading the Kawasaki valve train by offering a series of upgrade parts that will work great with the O.E.M. retainer and valve seals. R&D has documented that the seat tension or pressure on the stock springs is a low 52-55 pounds, and coil bind on the stock springs occurs .050” after full lift on the stock cams. As an industry rule or standard, as boost levels are increased to the engin...
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    $505.50

  • Kawasaki RIVA Ultra 260/250 Intake Grates

    Reduces Cavitation Improves Hook-up No loss in top speed IJSBA Legal
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    $199.95

  • R&D KAWASAKI ULTRA RC1 RACING CAM KIT

    R&D’s RC1 Recreational/Racing Camshaft kit offers a great boost in horsepower for the recreational rider/racer who wants as much lift and duration that can be “Bolted In” without valve spring changes or valve guide machining. The R&D RC1 will install and work well with O.E.M. valve springs and retainers. The RC1 is a great choice for recreational and offshore riding or racing targeting the 7500-8500 RPM range for top end...
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    $999.95

  • Kawasaki RIVA Ultra 300 Tunable Top-Loader Intake Grate

    Our fully tunable Top-Loader Intake Grate for the Ultra 300 features an adjustable foil & removable rear inlet chip. Developed through a joint effort with TBM Racing, this grate provides riders with the ability to tune for specific riding style or water conditions. The center foil has three positions or can be removed entirely. In flat water conditions it can be raised to the highest position increasing speed .5mph. Or be removed completely p...
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    $249.95

  • Kawasaki RIVA Speed Control Override Module

     The RIVA Speed Control Override Module removes the restrictive speed control function on Kawasaki Ultra 300X/LX models delivering significant increases in top speed with stock ECU. Easy to install module delivers 3~4mph to stock craft and allows further top speed gains through aftermarket modifications. Does not affect speedometer accuracy, Eco Mode or Cruise Control functionality. Key Features: Removes restrictive speed limiter system....
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    $199.95

  • Kawasaki Ultra 250 Exhaust Emission Blockoff Kit

    The R&D Exhaust Emission Blockoff Kit was developed to block off the O.E.M. exhaust emission ports located in the valve cover that connects to the exhaust ports. The Kawasaki labeled “air suction valve” operates effectively under low speed and cruise RPM ranges allowing air to be pulled from the main air box plenum and into the exhaust ports, which will result in a lower measured emission ratio (cleaner). The air suction valves fi...
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    $37.35

  • Kawasaki Free Flow Exhaust Kit 2008-13 Ultra Models

    This exhaust kit enables you to bypass or remove secondary muffler (weight savings of +10lbs) improving engine performance by reducing back pressure and harmful detonation. Mandrel bent aluminum exhaust tube is lightweight and powder coated to resist corrosion. Included billet exhaust tip (also sold separately) with laser etched graphics is anodized to prevent corrosion. High temperature silicone couplers included with detailed installation instr...
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    $259.95

  • RIVA Valve Train Upgrade Kit - Kawasaki Ultra 250/260/300/310 & 15F

    Our Valve Train Upgrade Kits increase 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, and base washers. 2007 KAWASAKI ULTRA 250X 2008 KAWASAKI ULTRA 250X 2009 KAWASAKI ULTRA 260X 2010 KAWASAKI ULTRA 260X 2011 KAWASAKI ULTRA 300X 2012 KAWASAKI ULTRA 300X 2013 KAWASAKI ULTRA 300X 2014 KAWASAKI ULTRA ...
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    $749.95

  • Double Male Flange Adapter

    Double Male Flange (mates Power Filter to Ducting) Billet Band Clamp seals & secures ducting to velocity stack and double male flange. We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All compone...
    Learn More...
    $99.95

  • R&D KAWASAKI ULTRA STAINLESS INTAKE VALVE KIT 1MM

    R&D offers High Performance Racing Valves that are designed to be lighter, stronger, and most importantly, outflow stock O.E.M. valves. R&D valves will flow 1.5 CFM more over stock valves with R&D’s race proven back cut seats and high flow undercut stems. Each R&D Valve is a one piece forged design from only the highest grades of Stainless and Inconel materials with a 52 HRC hardened valve stem tip for maximum strength. Valv...
    Learn More...
    $274.95

  • R&D KAWASAKI ULTRA STAINLESS INTAKE VALVE KIT STANDARD (SET OF 8)

    R&D offers High Performance Racing Valves that are designed to be lighter, stronger, and most importantly, outflow stock O.E.M. valves. R&D valves will flow 1.5 CFM more over stock valves with R&D’s race proven back cut seats and high flow undercut stems. Each R&D Valve is a one piece forged design from only the highest grades of Stainless and Inconel materials with a 52 HRC hardened valve stem tip for maximum strength. Valv...
    Learn More...
    $249.95

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