S&S CYCLE

Engine Mk136 Black Oil-cooled 49 State M8 17-23 Touring

Part # 0901-0265

• —Cylinder Heads:
• —High-flow cylinder heads with premium seats, guides, valves, springs, and seals
• —+1.00 mm oversized intake and exhaust valves
• —Valves are 0.030" longer than stock for improved valvetrain geometry
• —0.605" max lift valve spring
• —475G gear drive cam
• —Enlarged cooling passage around the exhaust seats
• —S&S exclusive breather boxes
• —Crankcase:
• —Patented dual-spray piston cooling jets
• —Precision machined oil scraper
• —Enlarged oil sump
• —Contoured floor allows oil to easily drain back to the sump
• —MK136:
• —Retains stock engine height
• —Includes forged pistons, S&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