{"product_id":"valve-spring-kit-fits-twin-cam-2005-2017-sportster-2004-2021-beehive-springs-with-600in-lift-av-v","title":"Valve Spring Kit. Fits Twin Cam 2005-2017, Sportster 2004-2021. Beehive Springs with .600in. Lift. - AV\u0026V","description":"\u003cp\u003eNote: Maximum Recommended Lift = .600\"\u003cbr\u003e\u003cbr\u003e* Beehive steel valve spring kit\u003cbr\u003e\u003cbr\u003e* Use with OEM style AVV guide seals\u003cbr\u003e\u003cbr\u003e* Fits both Single \u0026amp; Triple groove valves\u003cbr\u003e\u003cbr\u003e* Ultra pure chrome silicon+Nickle spring wire\u003cbr\u003e\u003cbr\u003e* Extra processing for fatigue resistance\u003cbr\u003e\u003cbr\u003e* Resist pressure loss \u0026amp; fatigue associated with extremely aggressive cams in high compression engines\u003cbr\u003e\u003cbr\u003e* Reduce vibration \u0026amp; harmonics\u003cbr\u003e\u003cbr\u003e* Includes springs,retainers \u0026amp; upper \u0026amp; lower collars\u003cbr\u003e\u003cbr\u003e* 162lbs @ 1.860, 340lbs @ 1.260\"\u003cbr\u003e\u003cbr\u003e* coil bind 1.200\"\u003cbr\u003e\u003cbr\u003e* Small end ID = .650\", OD= 1.085\"\u003cbr\u003e\u003cbr\u003e* Large end ID = 1.000\", OD = 1.445\"\u003cbr\u003e\u003cbr\u003e* CNC machined keepers\u003cbr\u003e\u003cbr\u003e* Replaces OEM # 18013-03A\u003cbr\u003e\u003cbr\u003eTech Tips:-\u003cbr\u003e\u003cbr\u003e* Rocker box clearance must be checked\u003cbr\u003e\u003cbr\u003e* Spring travel must be checked \u003cbr\u003e\u003cbr\u003e* Valve timing must be accurate\u003cbr\u003e\u003cbr\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":42957875150942,"sku":"AV-VSK6000S-7SG","price":246.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/AV-VSK6000S-7SG.jpg?v=1782806322","url":"https:\/\/ironhorsecustoms.com.au\/products\/valve-spring-kit-fits-twin-cam-2005-2017-sportster-2004-2021-beehive-springs-with-600in-lift-av-v","provider":"Iron Horse Customs","version":"1.0","type":"link"}