{"product_id":"mercury-racing-450r-500r-supercharger-upgrade-kit-by-kong-performance","title":"Mercury Racing 450R\/500R Supercharger Upgrade Kit by Kong Performance","description":"\u003cp\u003eThe Ultimate 450R\/500R Performance Upgrade Kit!\u003c\/p\u003e\n\u003cp\u003e80+ HP GAIN. NO TUNE REQUIRED. Bolt on and Go! 🚤🔥\u003c\/p\u003e\n\u003cp\u003eThe KONG Performance Mercury Racing 450R \/ 500R Upgrade Kit is changing the game for high-performance outboards.\u003cbr\u003eOur complete bolt-on package was engineered to deliver MASSIVE real-world gains in acceleration, low end, mid-range pull, and top-end power while maintaining stock like drivability and reliability.\u003c\/p\u003e\n\u003cp\u003e✅ 80+HP gains\u003cbr\u003e✅ NO tuning required\u003cbr\u003e✅ True Bolt-on and go installation\u003cbr\u003e✅ Water tested and Engine Dyno tested\u003cbr\u003e✅ Record-setting results at Lake of the Ozarks Shootout\u003c\/p\u003e\n\u003cp\u003eThis is not just a throttle body or intake upgrade. Every component was designed to work together as a complete system.\u003cbr\u003eKIT INCLUDES:\u003c\/p\u003e\n\u003cp\u003e⚫ KONG Billet High Flow Nose Drive\u003cbr\u003e⚫ KONG Billet 100mm Throttle Body\u003cbr\u003e⚫ KONG High Flow Intake System\u003cbr\u003e⚫ Complete Hardware Package\u003c\/p\u003e\n\u003cp\u003eInstallation takes only 1–2 hours per engine and the difference is felt IMMEDIATELY the second you hit the throttle.\u003cbr\u003eCruises smooth like stock… until hammer the throttle and we guarantee you will feel and love the extra power.\u003cbr\u003eIf you want your 450R or 500R to perform at another level with a simple installation, this is for you.\u003c\/p\u003e\n\u003cp\u003e💯 Money Back Guarantee\u003cbr\u003e📈 Dyno Proven\u003cbr\u003e🏁 Built and Engineered by KONG Performance\u003cbr\u003eKONG Kits for 450R and 500R are in stock and ready to ship.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cbr\u003eMercury Racing 450R\/500R Performance Upgrade Kit by Kong Performance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Kong 450R\/500R upgrade kit was developed from the ground up with the goals of increased efficiency, durability, and additional power delivered to an already fantastic engine. Each part was carefully thought out and designed to work together to create an absolutely incredible performance package.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eBACK TO BACK DYNO TESTING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Kong 450R\/500R kit was tested back to back on an outboard engine Dyno at Race Marine in Australia. Testing was conducted by Race Marine using Kong Performance's 450R development engine. The Kong 450R\/500R kit was installed and validated during extensive dyno testing. The dyno results were outstanding. All work was verified and documented with third party back to back dyno testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNO TUNING REQUIRED! EASY INSTALL!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis package can be installed on an engine with zero computer modifications. Low end, mid range, and top end gains are all very impressive. If you want a simple bolt on package that delivers fantastic bang for your buck, our easy to install package is the way to go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e100% Money Back Guarantee\u003c\/strong\u003e. If you are not satisfied with the results of the Kong upgrade kit after installation, you can remove it and send back for a full refund. We are confident that you will not want to remove this package after you experience the additional power. \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWATER TESTED - PROVEN RESULTS - RECORD SETTING PERFORMANCE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe first public outing with the Kong 450R kit was at the Lake of the Ozarks 2024. We installed our Kong 450R upgrade kits on two Doug Wright Powerboats. Both boats ran 130+mph at the shootout and one setting a new all time outboard shootout record at 136mph. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWhat to expect? Massive difference in low end, mid range, and top end power. Idle, cruise, and drive just like stock. Perfect upgrade for everything from a single 450 engine all the way up to 4, 5, and 6 engine boats. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e-KONG Billet High Flow Nose Drive w\/ SC Pulley\u003c\/p\u003e\n\u003cp\u003e-KONG Billet 100mm TB with O-ring air intake connection, marine grade electronics and seals\u003c\/p\u003e\n\u003cp\u003e-KONG 450R\/500R High Flow Air Intake\u003c\/p\u003e\n\u003cp\u003e-All bolts, clamps, and hardware for installation is included.\u003c\/p\u003e\n\u003cp\u003eInstallation Time: Approximately 1-2 Hours Per Engine\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThis product is intended for enthusiasts who want maximum performance. Please be aware that installing aftermarket performance parts can affect your engine warranty. The manufacturer may refuse warranty service for issues related to or caused by this upgrade. By purchasing, you acknowledge this possibility and accept full responsibility.\u003c\/p\u003e\u003ch3\u003eSMG ordering and fitment notes\u003c\/h3\u003e\u003cp\u003eThis Kong Performance catalog item is supplied for the applications described above. Verify the exact vehicle, engine, supercharger, bolt pattern, finish, pulley ratio, and supporting hardware before ordering. Contact SMG before purchase when the combination is unusual or when the product requires machining, calibration, or another Kong component.\u003c\/p\u003e\u003ch3\u003eProcessing and shipping\u003c\/h3\u003e\u003cp\u003eProcessing occurs before shipping. Kong products may be special-order or vendor-fulfilled and can require additional handling time before carrier pickup. Expedited shipping changes transit time after shipment and does not shorten manufacturing, machining, or order processing. Any product-specific lead time or availability note above takes priority.\u003c\/p\u003e\u003ch3\u003eInstallation responsibility\u003c\/h3\u003e\u003cp\u003ePerformance components should be installed and calibrated by a qualified professional. The purchaser is responsible for verifying compatibility, safe operating limits, emissions legality, and suitability for the intended vehicle and use.\u003c\/p\u003e","brand":"KONG Performance","offers":[{"title":"450R","offer_id":54850882339135,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"500R","offer_id":54850882371903,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/upload-1785594976981.png?v=1785594979","url":"https:\/\/smgspeed.com\/products\/mercury-racing-450r-500r-supercharger-upgrade-kit-by-kong-performance","provider":"SMGspeed","version":"1.0","type":"link"}