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Screamin' Eagle Milwaukee-Eight Engine CNC Ported Cylinder Heads

Part Number 16500527


Finish / Color: Black Granite Highlighted



Designed in conjunction with the system-matched components of the Screamin’ Eagle® Milwaukee-Eight® Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle® cylinder head casting, the Screamin’ Eagle® team has dedicated countless hours of computer simulation and flow bench testing to maximize the flow through the intake and exhaust ports.

  • Black granite highlighted
  • Factory equipped with high performance valve springs that remain stable with high lift cams and in and high RPM operation
  • Ports are meticulously machined on our five axis CNC machine to increase the velocity of the intake charge and to maximize exhaust scavenging
  • When combined with a larger bore throttle body, Cylinder Heads provide improved efficiency of cylinder filling, leading to more explosive power and increased rear wheel torque when compared to stock

Replacement cylinder heads for '17-later CVO™ Twin-Cooled Touring models equipped with Screamin’ Eagle® Milwaukee-Eight® 117ci Stage IV Kits. All models require ECM calibration with Screamin’ Eagle® Pro Street Tuner for proper installation. See Dealer for details.

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  • Model
  • These Screamin' Eagle® products are 50-State U.S. EPA compliant for sale and use on all applicable vehicles, including those that are pollution controlled. See Genuine Motor Parts and Accessories or Screamin' Eagle Accessories catalog for fitment information. Screamin' Eagle Performance products are intended for the experienced rider only.
  • Dealer Install Recommended

  • Warranty

    1 year limited warranty – Go to for full details
  • Requires ECM Calibration

  • Sold in Unit

  • In The Box

    Front and Rear CNC Ported Heads
  • Sold Separately

    Screamin’ Eagle Pro Street Tuner P/N 41000008C
  • Upgrade Stage Level

    Stage IV

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    Prices listed are generally the Manufacturer's Suggested Retail Price (MSRP), excluding taxes and shipping. Prices at local dealerships may vary. All online orders will be fulfilled and shipped by
    Harley-Davidson Motor Company as the agent for the Selling Dealer.