{"product_id":"dynojet-thunderslide-kit-1989-2003-xl1200-133-4012","title":"Dynojet Thunderslide Kit - `1989-2003 Xl1200 — Harley-Davidson Sportster 1200, Sportster 883, Sportster 883 Hugger (1989-2003)","description":"\u003cp\u003eDynojet Thunderslide Kit for 1989-2003 Harley Sportster XL1200 carburetors, featuring a custom-engineered slide that extends the needle's range of motion for improved fuel atomization and throttle response. Delivers measurable gains in power output and fuel economy on stock or lightly modified bikes.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom-engineered carburetor slide\u003c\/li\u003e\n  \u003cli\u003eExtended needle range for precise fuel control\u003c\/li\u003e\n  \u003cli\u003eImproved throttle response and fuel atomization\u003c\/li\u003e\n  \u003cli\u003eNot street-legal in California — verify local emissions laws before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Dynojet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 8109\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3.75 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1989-2003 Harley-Davidson Sportster XL1200 models with factory carburetor.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this kit street-legal?\u003c\/h3\u003e\n\u003cp\u003eNo — Dynojet Thunderslide Kits are not legal for sale or installation in California. Check your state and local emissions regulations before ordering.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my 2004+ Sportster?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is specific to 1989-2003 XL1200 carbureted Sportsters. Fuel-injected models require a different calibration product.\u003c\/p\u003e\n\u003ch3\u003eWhat performance gains can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe improved fuel atomization typically yields better throttle response, increased power, and improved fuel economy depending on your setup and riding style.\u003c\/p\u003e\n\u003ch3\u003eDo I need a new air filter or tune?\u003c\/h3\u003e\n\u003cp\u003eThe Thunderslide works with most stock and aftermarket intake setups. Carburetor jetting may need minor adjustment for optimal performance.\u003c\/p\u003e","brand":"Dynojet","offers":[{"title":"Default Title","offer_id":53034988798063,"sku":"133-4012","price":222.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_f05a3aa4-6eb3-4e37-bdcd-e07e496e9001.png?v=1779558704","url":"https:\/\/vtwinbikers.com\/products\/dynojet-thunderslide-kit-1989-2003-xl1200-133-4012","provider":"Vtwinbikers","version":"1.0","type":"link"}