{"product_id":"conical-valve-springs","title":"Conical Valve Springs","description":"The COMP Cams 7228-16 Conical Valve Springs represent a significant advancement in high-performance spring technology, designed for both race and street applications. This set includes 16 single springs, each engineered with a conical shape for improved performance and reliability.\n\nThe specifications for the 7228-16 springs include an outer diameter that measures 1.030 inches at the top and 1.286 inches at the bottom, with corresponding inner diameters of 0.650 inches and 0.920 inches. They offer a seat pressure of 136 lbs at a height of 1.800 inches and an open pressure of 412 lbs at 1.170 inches. The spring rate is rated at 440 lb\/in, and the coil bind height is 1.125 inches. The maximum valve lift is specified at 0.615 inches.\n\nCOMP Cams also specifies compatible components for this valve spring set, including spring seats (part number 4677-16 for compatible .570\" guide diameter), retainers (part number 788-16), and shims (part number 4753). Dampers are not included with this set.\n\nThese valve springs are C.A.R.B. exempt for on-road vehicles, as well as for foreign and federally certified vehicles manufactured before 1967, provided they meet tailpipe emission standards for their respective year. They are also exempt for racing and off-road only vehicles, but only if they are designated as competition-only vehicles. The exemption reason cited is that they have no impact on the vehicle's pollution output.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":52664220909880,"sku":"7228","price":376.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687547196.jpg?v=1784335392","url":"https:\/\/store.motormia.co\/products\/conical-valve-springs","provider":"MOTORMIA","version":"1.0","type":"link"}