{"product_id":"kpm-20-20132","title":"Valve Spring Kit. Fits Big Twin 1984-2004, Sportster \u0026 Buell 1986-2003. Steel Double Springs with .600in. Lift - Kibblewhite","description":"\u003cdiv class=\"elementor-widget-container\"\u003e\n\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*\u003c\/p\u003e\n\u003cp\u003eRocker 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\n\u003c\/div\u003e","brand":"KIBBLEWHITE","offers":[{"title":"Default Title","offer_id":53949311025444,"sku":"KPM-20-20132","price":377.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/9201\/3860\/files\/KPM-20-20132.jpg?v=1778593853","url":"https:\/\/www.proclasscustoms.co.nz\/products\/kpm-20-20132","provider":"Pro Class Customs","version":"1.0","type":"link"}