{"product_id":"supertech-dual-valve-spring-kit-honda-h22a1-h22a4-spr-h1005d-16","title":"Supertech Dual Valve Spring Kit","description":"\u003cp\u003eAll Supertech valve springs are manufactured using premium Superclean Chrome Silicon Vanadium Steel alloy, engineered for high RPM durability and long-lasting performance. This premium alloy provides excellent structural memory, minimizing fatigue and helping your valvetrain maintain peak operation under stress.\u003c\/p\u003e\n\n\u003cp\u003eEvery Supertech valve spring is computer-designed to keep wire stress levels within the fatigue limits and control harmonics at high RPM. The dual spring configuration (inner + outer) is engineered to improve stability and harmonic damping for reliable valve control in demanding street and race applications.\u003c\/p\u003e\n\n\u003cp\u003eThis spring features a dual spring configuration designed to enhance valvetrain stability and reduce the risk of valve float at high RPM. Its specifications include a spring rate of 11.50lbs\/mm, a free length of 45mm, a coil bind height of 20.70mm, an outer spring ID of 21.85mm, and inner spring dimensions of 20.50mm OD and 15.50mm ID.\u003c\/p\u003e\n","brand":"Supertech","offers":[{"title":"Default Title","offer_id":54326513205551,"sku":"SPR-H1005D-16","price":499.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/3903\/9279\/files\/dual-spring-16.jpg?v=1772079377","url":"https:\/\/www.prospeedracing.com.au\/products\/supertech-dual-valve-spring-kit-honda-h22a1-h22a4-spr-h1005d-16","provider":"Pro Speed Racing","version":"1.0","type":"link"}