{"product_id":"valve-spring-kit-fits-big-twin-1984-2004-sportster-buell-1986-2003-steel-double-springs-with-600in-lift","title":"Valve Spring Kit. Fits Big Twin 1984-2004, Sportster \u0026 Buell 1986-2003. Steel Double Springs with .600in. Lift.","description":"\u003cp\u003eNote: Maximum Recommended Lift = .600\"\u003c\/p\u003e\n\u003cp\u003e* Steel Double Spring Kit\u003c\/p\u003e\n\u003cp\u003e* Ultra pure chrome silicon+Nickle spring wire\u003c\/p\u003e\n\u003cp\u003e* Extra processing for fatigue resistance\u003c\/p\u003e\n\u003cp\u003e* 1.375\" for better clearance inside rocker cvr\u003c\/p\u003e\n\u003cp\u003e* Springs feature chamfered tops to match smaller retainers\u003c\/p\u003e\n\u003cp\u003e* Includes springs,retainers \u0026amp; upper \u0026amp; lower collars\u003c\/p\u003e\n\u003cp\u003e* 155lbs@1.875, 175lbs@1.815\"\u003c\/p\u003e\n\u003cp\u003e* coil bind 1.080\"\u003c\/p\u003e\n\n\u003cp\u003eTech Tips:-\u003c\/p\u003e\n\u003cp\u003e* Rocker box clearance must be checked\u003c\/p\u003e\n\u003cp\u003e* Spring travel must be checked \u003c\/p\u003e\n\u003cp\u003e* Valve timing must be accurate\u003c\/p\u003e\n\u003cp\u003e** Over revving will lead to pre-mature failure of Valve Springs \u0026amp; collars.\u003c\/p\u003e","brand":"AV\u0026V","offers":[{"title":"Default Title","offer_id":48442142195934,"sku":"AV-VSK600S","price":248.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/7951\/files\/AV-VSK600S.jpg?v=1784197865","url":"https:\/\/ironandresin.com.au\/products\/valve-spring-kit-fits-big-twin-1984-2004-sportster-buell-1986-2003-steel-double-springs-with-600in-lift","provider":"Iron \u0026 Resin Garage","version":"1.0","type":"link"}