{"product_id":"s-s-valve-spring-kit-std-to-550-lift","title":"S\u0026S, valve spring kit. STD to .550\" lift","description":"Kit includes aluminum top collars and valve springs. High performance spring kit that can be used in all applications from stock to .550\" lift cams.   Note: Lower collars and valve keys \/ valve keepers must be re-used.  Note: Panhead may require clearancing between rocker cover and top collar.  Note: L81-84 Shovelhead must use stock style lower collars (18222-81) or purchase them separately as MCS 982281.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 48-65 Panhead; 66-84 Shovelhead (NU). See notes\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307775807815,"sku":"900242","price":319.19,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/900242k.jpg?v=1784477675","url":"https:\/\/www.chopperessentials.com\/products\/s-s-valve-spring-kit-std-to-550-lift","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}