{"product_id":"manley-valve-spring-spring-1-550-dbl-chr-sil-1","title":"Manley Valve Spring SPRING-1.550 DBL CHR SIL","description":"The Manley Professional Series Valve Springs are engineered for serious performance builders and racers who demand reliable high-RPM control and long-lasting durability. Built from premium chrome-silicon and H-11 tool steels with precision heat treatment and shot-peening, these springs deliver robust tension and fatigue resistance across demanding applications ranging from oval track to the drag strip. Designed to maintain consistent spring pressure and minimize valve float under extreme load, they help keep your engine responsive and controlled when it matters most\r\n\u003cul\u003e\t\u003cli\u003eChrome silicon material\u003c\/li\u003e\r\n\t\u003cli\u003eDesigned for oval track and drag racing\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eManley\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00807298046365\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAverage Gram Weight: \u003c\/b\u003e147\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEngine Type: \u003c\/b\u003eICE\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eIndustry: \u003c\/b\u003eAutomotive\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eInner Diameter of Inner Valve Spring: \u003c\/b\u003e0.720\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eInner Diameter of Outer Valve Spring: \u003c\/b\u003e1.115\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eInstalled Pressure and Height: \u003c\/b\u003e250 @ 1.850\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eOpen Pressure and Height: \u003c\/b\u003e680 @ 1.150\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eOut of Stock Message: \u003c\/b\u003eCall for Availability\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eOuter Diameter of Outer Valve Spring: \u003c\/b\u003e1.550\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eProduct Market: \u003c\/b\u003eDomestic\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eProduct Type: \u003c\/b\u003eEngine Valve Spring\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Coil Bind Height: \u003c\/b\u003e1.090\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Material: \u003c\/b\u003eChrome Silicon\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Quantity: \u003c\/b\u003e16\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Rate: \u003c\/b\u003e614\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Series: \u003c\/b\u003eProfessional Series\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eValve Spring Type: \u003c\/b\u003eDouble\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eBrazil\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eRacing or Pre-Emissions Use Only\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e15.375 x 3.625 x 3.625 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e3 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":54929646223652,"sku":"BBPB-22440-16","price":488.09,"currency_code":"USD","in_stock":true}],"url":"https:\/\/autoshopping24.com\/products\/manley-valve-spring-spring-1-550-dbl-chr-sil-1","provider":"autoshopping24.com","version":"1.0","type":"link"}