{"product_id":"valve-spring-kit-415-lift-steel-top-collars-for-l79-84-shovelhead-nu","title":"Valve Spring Kit .415\" Lift Steel Top Collars For L79-84 Shovelhead NU","description":"\u003cp\u003eReduces total valve train mass. Great for OEM rebuilds with stock specifications. The springs are manufactured from the highest quality clean chrome silicone wire; shot peened and heat treated for maximum fatigue life. Kit includes springs; upper collars; lower collars; and valve keys. Max valve lift: .415\". Installed height: 1.375\". Seat pressure 129 lbs. Open pressure: 272 lbs. @ .415\" valve lift. Note: With .625\" diameter valve guides.\u003c\/p\u003e\u003cp\u003eL79-84 Shovelhead (NU)\u003c\/p\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":43720483733724,"sku":"951564","price":148.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/6881\/0972\/products\/951564k.jpg?v=1673261818","url":"https:\/\/motosuperstore.co.uk\/products\/valve-spring-kit-415-lift-steel-top-collars-for-l79-84-shovelhead-nu","provider":"Moto Superstore","version":"1.0","type":"link"}