{"product_id":"s-s-cycle-mk136-engine-1463318518","title":"MK136 Engine","description":"\u003cp\u003eMK136 Black Edition Engine - 475G Gear Drive - Oil Cooled - 49 State - M8 Touring\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinder Heads:\u003c\/li\u003e\n\u003cli\u003eHigh-flow cylinder heads with premium seats, guides, valves, springs, and seals\u003c\/li\u003e\n\u003cli\u003e+1.00 mm oversized intake and exhaust valves\u003c\/li\u003e\n\u003cli\u003eValves are 0.030\" longer than stock for improved valvetrain geometry\u003c\/li\u003e\n\u003cli\u003e0.605\" max lift valve spring\u003c\/li\u003e\n\u003cli\u003e475G gear drive cam\u003c\/li\u003e\n\u003cli\u003eEnlarged cooling passage around the exhaust seats\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S exclusive breather boxes\u003c\/li\u003e\n\u003cli\u003eCrankcase:\u003c\/li\u003e\n\u003cli\u003ePatented dual-spray piston cooling jets\u003c\/li\u003e\n\u003cli\u003ePrecision machined oil scraper\u003c\/li\u003e\n\u003cli\u003eEnlarged oil sump\u003c\/li\u003e\n\u003cli\u003eContoured floor allows oil to easily drain back to the sump\u003c\/li\u003e\n\u003cli\u003eMK136:\u003c\/li\u003e\n\u003cli\u003eRetains stock engine height\u003c\/li\u003e\n\u003cli\u003eIncludes forged pistons, S\u0026amp;S performance oil pump and cam support plate, premiun tappets and tappet cuffs, billet aluminum covers, sprocket shaft spacer, Champion spark plugs and cam cover badge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":54476810486078,"sku":"310-1290","price":11999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8384\/4926\/files\/310-1289_1_web__92558.1749152307.jpg?v=1789765570","url":"https:\/\/twistiesmotorsports.com\/products\/s-s-cycle-mk136-engine-1463318518","provider":"TWISTIES MOTORSPORTS ","version":"1.0","type":"link"}