{"product_id":"s-s-cycle-super-stock-3-5-8in-bore-o-ring-style-single-plug-cylinder-head-kit-natural-1","title":"S\u0026S 90-1497 Cycle Super Stock 3-5\/8in Bore O-Ring Style Single Plug Cylinder Hea","description":"\u003cp\u003e\u003cstrong\u003eS\u0026amp;S 90-1497 Cycle Super Stock 3-5\/8in Bore O-Ring Style Single Plug Cylinder Head Kit - Natural\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e:  S\u0026amp;S Cycle\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e:  90-1497\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Department\u003c\/strong\u003e:  Engine Components\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Category\u003c\/strong\u003e:  Heads\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBox Quantity\u003c\/strong\u003e:  1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e:  24.35  lbs\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e:  6.75  Inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e:  10.81  Inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLength\u003c\/strong\u003e:  10.81  Inches\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCARB Status\u003c\/strong\u003e:  Yes\u003c\/p\u003eS\u0026amp;S® Super Stock® o-ring style cylinder heads for 1966-'78 HD® big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S\u0026amp;S® valve springs that can handle cams with lifts up to .590\". These heads are machined for one spark plug per head and accept 3-5\/8\" bore cylinders, and are original equipment on S\u0026amp;S® SH-Series engines, and are a great upgrade for stock shovelheads. Rocker boxes are fastened with 5\/16\"-18 cap screws instead of the stock studs and nuts. KIt includes front and rear cylinder head assemblies, rocker box gaskets, copper head gaskets, exhaust gaskets, hardware, and instructions. Natural aluminum finish.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44535092183226,"sku":"SSC90-1497","price":1899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/0855\/6218\/files\/04b0d08bc4db44fa3e15acd35829e1d6_a8f42892-11f2-4921-aa51-6a7bf6109e38.png?v=1739357776","url":"https:\/\/performancemods.com\/products\/s-s-cycle-super-stock-3-5-8in-bore-o-ring-style-single-plug-cylinder-head-kit-natural-1","provider":"PERFORMANCE MODS","version":"1.0","type":"link"}