{"product_id":"lightweight-racing-shovelhead-74-1966-to-1977-valve-spring-kits","title":"Lightweight Racing Shovelhead™ 74 1966 to 1977 Valve Spring Kits","description":"\u003cul\u003e\n\u003cli\u003eMax Lift: .600\"\u003c\/li\u003e\n\u003cli\u003eInstalled Height: 1.510\"\u003c\/li\u003e\n\u003cli\u003eSeat Pressure: 152 lbs.\u003c\/li\u003e\n\u003cli\u003eOpen Pressure: 387 lbs @ .600\" Lift\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Spring Kit \u003cstrong\u003e20-2110\u003c\/strong\u003e features 7075-T6 Retainers offset .070\" for taller installed height. Basewashers are counter-bored to accept a .665\" OD seal.\u003c\/p\u003e\u003cp\u003eSprings are engineered for each application using proprietary advanced spring design, simulation and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass and operating rpm. Premium grade, super clean ground chrome silicon wire is x-rayed at regular intervals to check for inclusions, heat treated  and shot peed to ensure maximum spring life.\u003c\/p\u003e\u003cp\u003eKits include 4 retainers, 4 springs, 4 steel keepers and 4 steel basewashers.\u003c\/p\u003e","brand":"Kibblewhite","offers":[{"title":"7075-T6 Retainers (20-2100)","offer_id":35588761190552,"sku":"20-2110","price":98.6,"currency_code":"GBP","in_stock":true},{"title":"Steel Retainers (20-20450)","offer_id":35588761223320,"sku":"20-20450","price":98.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0452\/4251\/5608\/products\/20-21100.jpg?v=1596451219","url":"https:\/\/goodson654-com.myshopify.com\/products\/lightweight-racing-shovelhead-74-1966-to-1977-valve-spring-kits","provider":"goodson654.com","version":"1.0","type":"link"}