{"product_id":"valve-spring-top-collar-set-titanium-for-36-84-big-twin-nu","title":"Valve Spring Top Collar Set Titanium For 36-84 Big Twin (NU)","description":"Manley Valve Spring Top Collar Set Titanium For 36-84 Big Twin (NU) \u003cp\u003eOEM style replacement precision machined titanium valve spring top collars. Manley suggests the use of titanium top collars on high lift applications to provide increased strength and reduced inertia mass which allows running higher R.P.M.''s without valve float.\u003c\/p\u003e\u003cp\u003e36-84 Big Twin (NU) \u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":56159600083323,"sku":"513884","price":130.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/6881\/0972\/files\/513884k.jpg?v=1773833582","url":"https:\/\/motosuperstore.co.uk\/products\/valve-spring-top-collar-set-titanium-for-36-84-big-twin-nu","provider":"Moto Superstore","version":"1.0","type":"link"}