{"product_id":"pac-racing-beehive-rpm-series-valve-spring-upgrade-for-jet-exhaust-spring-od-0999-1083-2005-2012-gt500-cobra-set-of-16-pac-1231x-16","title":"PAC Racing Beehive RPM Series Valve Spring Upgrade for Jet -Exhaust - Spring OD: 0.999 \/ 1.083 (2005 - 2012 GT500 \/ Cobra) - Set of 16 - PAC-1231X-16","description":"\u003cp\u003ePAC Racing 1200 Series Drag Race Valve Springs\u003cbr\u003eUpgrade your engine's performance with PAC Racing 1200 Series drag race valve springs. When you're installing new camshafts or rebuilding your engine, these are the springs to choose. Made with a premium alloy that surpasses automotive industry standards, these springs are processed by PAC Racing to aerospace shot-peening standards for exceptional fatigue dependability. Rest assured that these springs will maintain the necessary load for peak performance in the most challenging situations.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003ePart Number: \u003cstrong\u003ePAC-1231X-16\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eValve Spring Style:\u003c\/p\u003e \u003cp\u003eStandard\u003c\/p\u003e \u003cp\u003eNumber of Springs Per Valve:\u003c\/p\u003e \u003cp\u003eSingle\u003c\/p\u003e \u003cp\u003eMaximum Valve Lift (in.):\u003c\/p\u003e \u003cp\u003e0.550 in.\u003c\/p\u003e \u003cp\u003eRetainers Included:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eOutside Diameter of Outer Spring (in.):\u003c\/p\u003e \u003cp\u003e1.083 in.\u003c\/p\u003e \u003cp\u003eCoil Bind Height (in.):\u003c\/p\u003e \u003cp\u003e0.952 in.\u003c\/p\u003e \u003cp\u003eDamper Spring Included:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eSpring Rate (lbs\/in.):\u003c\/p\u003e \u003cp\u003e291 lbs.\u003c\/p\u003e \u003cp\u003eInside Diameter of Outer Spring (in.):\u003c\/p\u003e \u003cp\u003e0.636 in.\u003c\/p\u003e\u003cp\u003e0.720 in.\u003c\/p\u003e \u003cp\u003eLocks Included:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eValve Stem Seals Included:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eValve Springs Coated:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eRemanufactured:\u003c\/p\u003e \u003cp\u003eNo\u003c\/p\u003e \u003cp\u003eQuantity:\u003c\/p\u003e \u003cp\u003eSet of 16.\u003c\/p\u003e \u003cp\u003eFitment:\u003c\/p\u003e \u003cp\u003e2005 Ford Mustang Shelby GT500\u003cbr\u003e2006 Ford Mustang Shelby GT500\u003cbr\u003e2007 Ford Mustang Shelby GT500\u003cbr\u003e2008 Ford Mustang Shelby GT500\u003cbr\u003e2009 Ford Mustang Shelby GT500\u003cbr\u003e2010 Ford Mustang Shelby GT500\u003cbr\u003e2011 Ford Mustang Shelby GT500\u003cbr\u003e2012 Ford Mustang Shelby GT500\u003c\/p\u003e \u003cp\u003e2005 Ford Mustang Cobra\u003cbr\u003e2006 Ford Mustang Cobra\u003cbr\u003e2007 Ford Mustang Cobra\u003cbr\u003e2008 Ford Mustang Cobra\u003cbr\u003e2009 Ford Mustang Cobra\u003cbr\u003e2010 Ford Mustang Cobra\u003cbr\u003e2011 Ford Mustang Cobra\u003cbr\u003e2012 Ford Mustang Cobra\u003c\/p\u003e \u003c!-- snippet location product_description --\u003e \u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Pac Racing Springs","offers":[{"title":"Default Title","offer_id":43862674145373,"sku":"PAC-1231X-16","price":320.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/12-Series-3__63942.1723871658__10466.1723873583.jpg?v=1764807427","url":"https:\/\/www.byepolr.com\/products\/pac-racing-beehive-rpm-series-valve-spring-upgrade-for-jet-exhaust-spring-od-0999-1083-2005-2012-gt500-cobra-set-of-16-pac-1231x-16","provider":"ByePolr Performance","version":"1.0","type":"link"}