{"product_id":"s-s-cycle-top-end-kit-big-twin","title":"S\u0026S Cycle 74\" Top End Replacement Kit - 1966-1978 Big Twins With O-ring Heads","description":"\u003cli\u003eReplace that worn out top end with the S\u0026amp;S 74\" top end replacement kit.\u003c\/li\u003e\n\u003cli\u003eIncludes a set of S\u0026amp;S Shovelhead-style cylinder heads, a pair of S\u0026amp;S stock bore cylinders (3-7\/16\" for 74\" engines or 3-1\/2\" for 80\"), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required hardware, and gaskets\u003c\/li\u003e\n\u003cli\u003ePistons are pre-fit to the cylinders, so there is no machine work to be done and very little down time\u003c\/li\u003e\n\u003cli\u003eThe moderate 8:1 compression rato allows your engine run well on readily available premium pump gas.\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBore Size:\u003c\/strong\u003e 3.4375\"\u003cbr\u003e\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 74\"\u003cbr\u003e\u003cstrong\u003eStroke Length:\u003c\/strong\u003e 3-31\/32\"\u003cbr\u003e\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 8.0:1\u003cbr\u003e\n\u003c\/li\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":34591702614181,"sku":"09031269","price":3659.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/7047\/5655\/products\/S_STopEndKit-BigTwin.jpg?v=1583960850","url":"https:\/\/cobaltcycles.com\/products\/s-s-cycle-top-end-kit-big-twin","provider":"Cobalt Cycles","version":"1.0","type":"link"}