{"product_id":"kpm-20-21500","title":"Valve Spring Kit. Fits Big Twin 1984-2004, Sportster \u0026 Buell 1986-2003. Beehive Springs with .660in. Lift - Kibblewhite","description":"\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eBy taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI® has developed ovate wire Beehive style springs that will live and perform at a high level in Harley Davidson® applications. By coupling these developments with strict KPMI® design protocols and employing multiple design, simulation, and FEA analysis software, we were we able to overcome the torsional stresses unique to ovate wire springs that previously severely limited their operatin \u003c\/p\u003e\n\u003cp\u003eg parameters.\u003c\/p\u003e\n\u003cp\u003eNote: Maximum Recommended Lift = .660″\u003c\/p\u003e\n\u003cp\u003eInstalled Height: 1.860″\u003c\/p\u003e\n\u003cp\u003eSeat Pressure: 178#\u003c\/p\u003e\n\u003cp\u003eOpen Pressure: 371#\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\n\u003c\/div\u003e","brand":"KIBBLEWHITE","offers":[{"title":"Default Title","offer_id":53949311058212,"sku":"KPM-20-21500","price":382.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/9201\/3860\/files\/KPM-20-21500.jpg?v=1778593854","url":"https:\/\/www.proclasscustoms.co.nz\/products\/kpm-20-21500","provider":"Pro Class Customs","version":"1.0","type":"link"}