Harley-Davidson 16500512 Screamin' Eagle Milwaukee-Eight Engine CNC Ported Cylinder Heads Screaming Eagle

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.

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- 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

- Intake valves 40mm and exhaust valves 32mm

Replacement cylinder heads for Air/Oil Cooled '18-'22 Softail and ‚17-later '22 and CVO‚ models equipped with Screamin‚ Eagle Milwaukee-Eight 114 or 117ci Stage IV Kits. All models require ECM calibration with Screamin‚ Eagle Pro Street Tuner for proper installation. See Dealer for details.

Harley-Davidson 16500512 Screamin' Eagle Milwaukee-Eight Engine CNC Ported Cylinder Heads Screaming Eagle