{"product_id":"valve-spring-kit-fits-big-twin-1984-2004-sportster-buell-1986-2003-steel-double-springs-with-600in-lift-1","title":"Valve Spring Kit. Fits Big Twin 1984-2004, Sportster \u0026 Buell 1986-2003. Steel Double Springs with .600in. Lift","description":"\u003cp\u003eSince 1939, KPMI® has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent than with the development of the high-tech lightweight racing valve spring kits for the incredibly stressed and torturous environment in today's V-Twin engines.\u003c\/p\u003e\n\n\u003cp\u003eNote: Maximum Recommended Lift = .600\"\u003c\/p\u003e\n\u003cp\u003eInstalled Height: 1.810\"\u003c\/p\u003e\n\u003cp\u003eSeat Pressure: 163#\u003c\/p\u003e\n\u003cp\u003eOpen Pressure: 361#\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":"Kibblewhite","offers":[{"title":"Default Title","offer_id":48442545307870,"sku":"KPM-20-20132","price":229.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/7951\/files\/KPM-20-20132.jpg?v=1784203773","url":"https:\/\/ironandresin.com.au\/products\/valve-spring-kit-fits-big-twin-1984-2004-sportster-buell-1986-2003-steel-double-springs-with-600in-lift-1","provider":"Iron \u0026 Resin Garage","version":"1.0","type":"link"}