{"product_id":"supertech-dual-valvespring-retainer-kit-h-f-series","title":"Supertech Dual Valvespring + Retainer Kit - H\/F Series","description":"\u003cp\u003e\u003cstrong\u003eSupertech Dual Valvespring + Retainer Kit – H\/F Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupertech Dual Valvespring + Retainer Kit - H\/F Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance \u0026amp; durability at high rpms. Using high-quality steel alloy also provides the added benefit of better structural memory for all of our springs.\u003c\/p\u003e\n\u003cp\u003eSupertech retainers are manufactured with high-quality military certified Titanium alloy and are CNC machined for a tight fit. Our high-quality retainers are among the best in the industry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis valve spring and retainer kit is ideally suited to high horsepower forced induction builds and high lift NA cam applications.  Perfectly paired with Skunk2 Pro series cams.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDO NOT shortcut on cheap valvetrain or a “she’ll be right” attitude with your factory Honda gear.  Even ITR valvetrain is not suitable for most engine builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"item-description\"\u003e\n\u003cli\u003eType: Dual Spring\u003c\/li\u003e\n\u003cli\u003ePress.Seat: 80 @35.50mm\u003c\/li\u003e\n\u003cli\u003eMax Lift: 14.80mm\u003c\/li\u003e\n\u003cli\u003eCoil Bind: 20.70mm\u003c\/li\u003e\n\u003cli\u003eRate: 11.50 lbs\/mm\u003c\/li\u003e\n\u003cli\u003eRetainer: RET-K20A2\/T2\u003c\/li\u003e\n\u003cli\u003eSprings: SPR-H1000D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is a special order product - allow up to 3 weeks for delivery.\u003c\/p\u003e","brand":"Speed Science","offers":[{"title":"Default Title","offer_id":32086221979693,"sku":"ST-SPRK-H1000D","price":765.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0315\/1727\/8253\/products\/dual-spring-kits.png?v=1579580935","url":"https:\/\/speedscienceproductbackup.myshopify.com\/products\/supertech-dual-valvespring-retainer-kit-h-f-series","provider":"speedscienceproductbackup","version":"1.0","type":"link"}