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  • Screamin' Eagle Milwaukee-Eight Extreme CNC Ported Cylinder Heads 1
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Screamin' Eagle Milwaukee-Eight Extreme CNC Ported Cylinder Heads

Número da peça: 16500749
Cor: Black Granite

Designed as part of the 128CI and 131CI Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, this Second Generation of Extreme Ported Cylinder Heads has been meticulously designed to optimize air/fuel flow and velocity. Improving on the First Generation of CNC-Ported Milwaukee-Eight Cylinder Heads, the Screamin' Eagle team refined the intake and exhaust ports to maximize the flow of high-velocity air through the 1mm larger valves of 128CI and 131CI engines and fully machined the combustion chamber to optimize combustion efficiency.

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Designed as part of the 128CI and 131CI Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, this Second Generation of Extreme Ported Cylinder Heads has been meticulously designed to optimize air/fuel flow and velocity. Improving on the First Generation of CNC-Ported Milwaukee-Eight Cylinder Heads, the Screamin' Eagle team refined the intake and exhaust ports to maximize the flow of high-velocity air through the 1mm larger valves of 128CI and 131CI engines and fully machined the combustion chamber to optimize combustion efficiency.
• Replacement cylinder heads for Air/Oil-Cooled '17-later Milwaukee-Eight models equipped with 128 or 131CI Stage IV kits.
• When combined with a larger bore throttle body, these CNC Cylinder Heads provide significantly improved efficiency of cylinder filling, leading to more explosive power and increased rear-wheel torque when compared to stock
• Factory equipped with high-performance valve springs that remain stable with high-lift cams and in high-RPM operation
• Intake valves 41mm and exhaust valves 33mm

Replacement cylinder heads for Air/Oil-Cooled '17-later Milwaukee-Eight models equipped with 128 or 131CI Stage IV kits. All models require ECM calibration with Screamin’ Eagle Pro Street Tuner or dealership installed Screamin’ Eagle calibration for proper installation. See Dealer for details.

Dealer Install Recommended: Yes
ECM Calibration Required: Yes
WARRANTY: 1 year limited warranty – Go to www.h-d.com/warranty for full details
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.
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©2024 H-D ou suas afiliadas. HARLEY-DAVIDSON, HARLEY, H-D e o logotipo Bar and Shield estão entre as marcas registradas da H-D U.S.A., LLC. As marcas registradas de terceiros pertencem a seus respectivos proprietários.
©2024 H-D ou suas afiliadas. HARLEY-DAVIDSON, HARLEY, H-D e o logotipo Bar and Shield estão entre as marcas registradas da H-D U.S.A., LLC. As marcas registradas de terceiros pertencem a seus respectivos proprietários.