{"product_id":"s-s-cycle-s-c581-air-shifter-kit","title":"S\u0026S Cycle S-C581 Air Shifter Kit","description":"\u003cdiv\u003e\u003cp\u003eThe S\u0026amp;S Cycle S-C581 Air Shifter Kit is a complete pneumatic gear-shift system for motorcycles, designed to let riders shift gears rapidly and reliably without using the foot clutch once installed. This kit is marketed as a Newstar product and is listed as a direct replacement for Chelsea part 328388-37X, providing a straightforward upgrade path for bikes that relied on Chelsea\/Newstar air-shift hardware. Positioned within the Newstar\/S\u0026amp;S lineup, the S-C581 is designed to integrate with existing air-shift components from Chelsea\/Newstar, enabling compatibility with established control valves, indicators, and tubing when paired with the proper installation hardware. For riders seeking a factory-backed option to retrofit or upgrade an air-shift system, the S-C581 offers a recognized part number and manufacturer support from S\u0026amp;S, simplifying service and future part replacements.\u003c\/p\u003e\u003c\/div\u003e","brand":"S\u0026S","offers":[{"title":"New","offer_id":46284105449706,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-022.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/s-s-cycle-s-c581-air-shifter-kit","provider":"GTG Hardware","version":"1.0","type":"link"}