{"product_id":"dual-valve-spring-kit-11","title":"Dual Valve Spring Kit","description":"If your build involves sustained operation above 7500 RPM or boosted conditions exceeding 18 PSI, this kit is recommended.\n\nIt is supplied in sets of 16, providing a complete solution for one cylinder head.\n\nThis kit is compatible with all BP (1.8L) engines found in both NA and NB generation Miatas. Please note that NA Miatas will require the use of valve keepers from an NB engine, which are not included in this kit. The specifications include a seat pressure of 85 lb @ 33.60 mm, an open pressure of 205 lb @ 10 mm, a max lift of 12.90 mm, and a coil bind of 20.70 mm.","brand":"Flyin' Miata","offers":[{"title":"Default Title","offer_id":52688385081656,"sku":"04-66602","price":569.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/664199040.webp?v=1784889413","url":"https:\/\/store.motormia.co\/products\/dual-valve-spring-kit-11","provider":"MOTORMIA","version":"1.0","type":"link"}