{"product_id":"pac-1575-16-1500-series-dual-valve-springs-spring-od-1-409","title":"PAC-1575-16 1500 Series Dual Valve Springs Spring OD: 1.409","description":"\u003cp\u003e1500 Series Dual Valve Springs Spring OD: 1.409\u003c\/p\u003e\n\u003cp\u003ePac 1500 series valve springs offer an industry leading nitriding process that allows for the material to withstand the abusive wear and fatigue of the typical endurance engine environment. These springs come fully prepared for racing conditions with chamfering, polishing, and the latest surface enhancement technology available. From 24 hours of Lemans to the rigors of NASCAR the 1500 series spring has the history to withstand this environment.\u003c\/p\u003e\n\u003cp\u003e1500 Series Circle Track Valve Springs\u003cbr\u003e1500 Series Dual Valve Springs\u003cbr\u003eSpring OD: 1.409\u003cbr\u003eSpring ID: 0.700\u003cbr\u003eSeat Pressure: 150 LBS @ 2.000\u003cbr\u003eOpen Pressure: 645 LBS @ 1.150\u003cbr\u003eSpring Rate: 582\u003cbr\u003eMax Coil Bind: 1.110\u003cbr\u003eMax Lift: .850\u003cbr\u003e16\/pkg\u003c\/p\u003e","brand":"PAC","offers":[{"title":"Default Title","offer_id":67723925913913,"sku":"PAC-1575-16","price":621.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0102\/9082\/3219\/files\/1371_74880788-ab9f-4cd0-b86d-2c27fe8cd3d4.png?v=1792524149","url":"https:\/\/3vperformance.com\/products\/pac-1575-16-1500-series-dual-valve-springs-spring-od-1-409","provider":"3V Performance","version":"1.0","type":"link"}