{"product_id":"valve-spring-kit-fits-big-twin-1948-1984-590in-lift","title":"Valve Spring Kit. Fits Big Twin 1948-1984. .590in. Lift","description":"\u003cp\u003eNote: Maximum Recommended Lift = .590\"\u003c\/p\u003e\n\u003cp\u003e* High Performance Spring Kit\u003c\/p\u003e\n\u003cp\u003e* Silicon \u0026amp; Vanadium alloy spring wire\u003c\/p\u003e\n\u003cp\u003e* Increased travel before coil bind\u003c\/p\u003e\n\u003cp\u003e* Complete Kit includes: springs, retainers, keepers \u0026amp; lower collars\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":48442140721374,"sku":"AV-VSK590","price":274.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/7951\/files\/AV-VSK590.jpg?v=1784197858","url":"https:\/\/ironandresin.com.au\/products\/valve-spring-kit-fits-big-twin-1948-1984-590in-lift","provider":"Iron \u0026 Resin Garage","version":"1.0","type":"link"}