{"product_id":"1-550-od-458-lb-in-spring-rate","title":"1.550\" OD 458 lb\/in Spring Rate","description":"The Manley Professional Series valve spring set (MAN22429-16) is engineered for demanding high-performance and racing engine builds. This set includes sixteen dual springs with integrated dampers, ensuring stable valve operation under extreme conditions. Key specifications include a 458 lb\/in spring rate, a 1.180-inch coil bind height, and an outer diameter of 1.550 inches. The installed height is 1.880 inches, with a seat pressure of 150 lbs, and an open pressure of 425 lbs at 1.280 inches open height. Manley Performance has been a leader in the high-performance automotive industry since 1966, known for quality and innovation across various engine platforms, including sport compact, Ford modular, and Chevy LS.","brand":"Manley","offers":[{"title":"Default Title","offer_id":52662906618168,"sku":"MAN22429-16","price":265.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687502262.jpg?v=1784321828","url":"https:\/\/store.motormia.co\/products\/1-550-od-458-lb-in-spring-rate","provider":"MOTORMIA","version":"1.0","type":"link"}