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    S&S Cycle 310-1290 - MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring

    S&S Cycle 310-1290 - MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring

    0901-0265

    $11,999.95 USD
    $11,999.95 USD
    Sale Sold out

    MK136 Engine
  • Cylinder Heads:
  • High-flow cylinder heads with premium seats, guides, valves, springs, and seals
  • +1.00 mm (EU 1,00 mm) oversized intake and exhaust valves
  • Valves are 0.030"(EU 0,030") longer than stock for improved valvetrain geometry
  • 0.605"(EU 0,605") max lift valve spring
  • 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
  • Sold as: Each
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