MK136 Black Edition 49-State Engine for Oil-Cooled 2017-2023 M8 Touring
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MK136 Black Edition 49-State Engine for Oil-Cooled 2017-2023 M8 Touring

MK136 Black Edition 49-State Engine for Oil-Cooled 2017-2023 M8 Touring

Item #: 310-1290
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$11,999.95

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Cylinder Heads

  • High-flow cylinder heads with premium seats, guides, valves, springs, and seals
  • +1mm oversized intake and exhaust valves
  • Valves are .030" longer than stock for improved valvetrain geometry
  • .605" max lift valve springs
  • High-strength alloy used in cylinder head casting, improved strength at high temperatures
  • Enlarged cooling passage around the exhaust seats
  • S&S Exclusive breather boxes

Crankcase

  • All premium quality components
  • 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

  • Forged pistons
  • S&S performance oil pump and cam support plate
  • Premium tappets and tappet cuffs
  • Billet aluminum covers
  • Sprocket shaft spacer included
  • Champion spark plugs
  • Retains stock engine height
  • Includes Cam Cover Badge
  • Powder coat finish matches factory finish
  • Huge displacement increase means a huge power increase  

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Disclaimer DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE *Qualified Manufacturer Declared 49-State Federal Emissions Compliant Engine in MY 2017-2020 touring models
 

warningWARNING

This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. 
For more information go to www.P65Warnings.ca.gov