{"product_id":"dual-valve-spring-20-7mm-coil-bind-83lbs-35mm-seat","title":"Dual Valve Spring [20.7mm Coil Bind, 83lbs @ 35mm Seat","description":"The Supertech SPR-TS\/DUR-D1 dual valve spring is engineered for enthusiasts seeking enhanced valvetrain reliability and performance.\n\nKey specifications for the SPR-TS\/DUR-D1 include a 20.7mm coil bind, a press seat load of 83lbs at 35mm, and a rate of 12.10 lbs\/mm, equating to 307 lbs\/in. These precise measurements ensure proper valve control under high RPM and increased boost conditions, contributing to optimal engine efficiency and power delivery.\n\nThese dual valve springs are specifically designed for Mazda MZR and Ford Duratec 2.0L, 2.3L, and 2.5L engines. They are also noted as being compatible with Ford applications and various Mazda models including the Mazdaspeed 3 (2007-2013) and Mazdaspeed 6 (2006-2007).","brand":"Supertech","offers":[{"title":"Default Title","offer_id":52663923081528,"sku":"SPR-TS\/DUR-D1","price":11.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687720587.png?v=1784330867","url":"https:\/\/store.motormia.co\/products\/dual-valve-spring-20-7mm-coil-bind-83lbs-35mm-seat","provider":"MOTORMIA","version":"1.0","type":"link"}