{"product_id":"s-s-cycle-mk136-black-edition-engine-550g-gear-drive-oil-cooled-race-only-m8-touring-310-1289","title":"S\u0026S CYCLE MK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring 310-1289","description":"\u003cp\u003eMK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\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\u003e550G 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\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\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\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eCylinder Heads:\u003c\/li\u003e\n\u003cli\u003eCrankcase:\u003c\/li\u003e\n\u003cli\u003eMK136:\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\/Finish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling System:\u003c\/strong\u003e Oil Cooled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 136\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MK136\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Forged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding Style:\u003c\/strong\u003e Street\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Race\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnits:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 26 L × 24.5 W × 20.5 H in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 157 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":47886365261961,"sku":"310-1289","price":11999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8930\/5993\/files\/310-1289-image-1.png?v=1785687650","url":"https:\/\/americanvtwinparts.com\/products\/s-s-cycle-mk136-black-edition-engine-550g-gear-drive-oil-cooled-race-only-m8-touring-310-1289","provider":"American V Twin","version":"1.0","type":"link"}