{"product_id":"60491-oe-style-engine-head-gaskets-for-big-twin-sportster","title":"Head Gasket Cmf-20 W \/ Fire Ring Shovelhead 1966 \/ L 3-1 \/ 2\" Bore Replaces HD 19770-66B MFG# C9604-1","description":"\u003ch1\u003eOE STYLE ENGINE HEAD GASKETS FOR HARLEY DAVIDSON BIG TWIN \u0026amp; SPORTSTER\u003c\/h1\u003eWEIGHT: 0.11\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eCFM-20 IS A PERFORATED STEEL CORE GASKET WHICH ALLOWS HEAT TO BE DRAWN AWAY FROM THE COMBUSTION RING WHILE DISSIPATING HEAT EVENLY ACROSS THE GASKET SURFACE\u003c\/li\u003e\n\u003cli\u003eHOT SPOTS THAT LEAD TO HEAD GASKET FAILURE ARE ELIMINATED\u003c\/li\u003e\n\u003cli\u003eCFM-20'S ELASTOMER SURFACE PROVIDES MAXIMUM SEALING CHARACTERISTICS AND SEALING AROUND PASSAGES THAT CARRY OIL\u003c\/li\u003e\n\u003cli\u003eALL GASKETS LISTED ARE .043\" THICK AND FEATURE A STEEL FIRE RING AT THE COMBUSTION AREA TO HELP PREVENT BLOWN HEAD GASKETS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eCOMETIC\u003c\/b\u003e\u003cbr\u003eHEAD GASKET (EACH)\u003cbr\u003e3 7\/16\" OR 3 1\/2\" (STOCK BORE)\u003cbr\u003eFITS SHOVELHEAD 1966\/1984\u003cbr\u003eREPLACES HD# 16770-66B\u003cbr\u003eBY: COMETIC GASKET","brand":"MID-USA","offers":[{"title":"Default Title","offer_id":20199995801711,"sku":"60491","price":33.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7401\/0479\/products\/0078516_0_5a10340c-33b2-4b82-be48-885bd8054071.jpg?v=1575383813","url":"https:\/\/www.widowmakersboneyard.com\/products\/60491-oe-style-engine-head-gaskets-for-big-twin-sportster","provider":"Widowmaker's Boneyard","version":"1.0","type":"link"}