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Harley Screamin Eagle M8 131" Extreme CNC Ported Water cooled Heads 16500748

$700.00
$700.00
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Availability: Low stock: 1 left
SKU: 41592
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$700.00
$700.00
Heads were installed on a Oil cooled engine and started. The original customer that purchased these installed them on an oil cooled engine and started the bike. Bike only ran a minute or two before the customer realized his mistake. Gasket surface is flat and the heads appear to be in good working order. 

Genuine Harley Davidson

These are for Twin Cooled (Water Cooled) engines

Harley Part # 16500748 Harley Screamin Eagle M8 131" Extreme CNC Ported Water cooled Heads 

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 Twin-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


Fits: Twin-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.



Fitment catalogs are auto generated and are for reference only. Please look closely at pictures and decide condition and fitment for yourself.