{"product_id":"supertech-dual-valve-spring-retainer-combo-sprk-h1021d-k-serie","title":"SUPERTECH Dual Valve Spring \u0026 Retainer Combo – K-serie – SPRK-H1021D","description":"\u003ch1\u003eSUPERTECH DUAL VALVE SPRING \u0026amp; RETAINER COMBO SPRK-H1021D\u003c\/h1\u003e\n\u003cp\u003eSupertech Valve \/ Spring \/ Retainer kits are precision-matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Valve \/ Spring \/ Retainer kits are second to none in terms of performance, quality and value. \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"dark-red\"\u003eSpecs:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDual Valve Spring 92 psi @ 40.4mm lift\u003cbr\u003eComes with the standard Supertech Titanium retainers\u003cbr\u003eIncludes valve seats for upgrade to dual valve springs\u003cbr\u003eK-Series Engine\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"H-workz performance","offers":[{"title":"Utilize OEM No Thanks","offer_id":59009640071493,"sku":"SPRK-H1021D, KPR-5.5\/7A-ST, VS-H5.5IE-1","price":695.0,"currency_code":"EUR","in_stock":true},{"title":"Supertech Seals \u0026 Keepers","offer_id":59009640104261,"sku":"SPRK-H1021D, KPR-5.5\/7A-ST, VS-H5.5IE-2","price":799.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1084\/5752\/5573\/files\/supertechk20k24superset1.webp?v=1787818419","url":"https:\/\/h-workz.nl\/products\/supertech-dual-valve-spring-retainer-combo-sprk-h1021d-k-serie","provider":"H-workz performance","version":"1.0","type":"link"}