{"product_id":"polini-pwk-scooter-carburetor-velocity-stack-50-5mm-bell","title":"Polini PWK Scooter Carburetor Velocity Stack - 50.5mm Bell","description":"\u003ch2\u003ePolini 50.5mm Bell Mouth Velocity Stack for Scooters\u003c\/h2\u003e\u003cp\u003eThis Polini 50.5mm bell mouth velocity stack is made for PWK-style carburetors and is intended to help with air intake. Its flared opening is meant to reduce turbulence and support steady throttle response across the engine's RPM range. It is among the simpler \u003ca href=\"\/collections\/scooter-carburetors\"\u003escooter carburetors \u0026amp; jets\u003c\/a\u003e to fit, which suits home repair work.\u003c\/p\u003e\u003ch3\u003eAirflow Improvement\u003c\/h3\u003e\u003cp\u003eThe bell mouth profile of this velocity stack is designed to guide air into the carburetor more smoothly, which can noticeably benefit performance. Letting air move through more freely can support quicker acceleration and better response when the throttle is opened, so it is a useful upgrade for scooter owners focused on performance.\u003c\/p\u003e\u003ch3\u003eInstallation and Fit\u003c\/h3\u003e\u003cp\u003eThe included set screws hold the Polini velocity stack firmly in place. Because it is a universal part for PWK-style carburetors, it bolts on directly and can replace an existing air intake funnel without much fuss.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 50.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 79mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Bell Mouth \/ Velocity Stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Compatibility:\u003c\/strong\u003e PWK-style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Included:\u003c\/strong\u003e Set screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Universal fit for PWK-style carburetors with a 50.5mm inner diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePWK-style carburetors (universal, 50.5mm inner diameter)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm that the 50.5mm inner diameter matches the throat of your PWK-style carburetor before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-carburetors\"\u003eScooter Carburetors \u0026amp; Jets\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135749095481,"sku":"TT-16419","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/polini-pwk-carburetor-velocity-stack-50-5mm-bell-1.jpg?v=1794349681","url":"https:\/\/www.trendtimes.com\/products\/polini-pwk-scooter-carburetor-velocity-stack-50-5mm-bell","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}