{"product_id":"mcs513888","title":"Manley Valve Spring Top Collar Set. Titanium – 1984–1999 Evo Big Twin; 1999–2004 Twin…","description":"\u003ch2\u003eManley Valve Spring Top Collar Set. Titanium – 1984–1999 Evo Big Twin; 1999–2004 Twin…\u003c\/h2\u003e\n\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\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; VALVES COLLARS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 513888\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":57359406367107,"sku":"MCS513888","price":109.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/513888k.jpg?v=1776033122","url":"https:\/\/hogparts.com\/products\/mcs513888","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}