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This Center-Cooled generation of Extreme Ported Cylinder Heads has been meticulously designed to help optimize air/fuel flow and velocity. Building on the previous Oil/Twin-Cooled generation of CNC-Ported Milwaukee-Eight® Cylinder Heads, the Screamin' Eagle team refined the intake and exhaust ports based on extensive racing efforts to help maximize the flow of high-velocity air through 2mm larger (42mm intake/34mm exhaust) valves than the Original Equipment heads and fully machined the combustion chamber to help optimize combustion efficiency.
Replacement cylinder heads for '23-later Center-Cooled Touring models or '25-later Softail models equipped with 135ci Stage IV kits or 135 Crate engines or 131ci Stage IV kits. '23-'24 Touring models require separate purchase of Double Stud Kit P/N 29900147.
Screamin' Eagle Milwaukee-Eight Extreme Ported Cylinder Heads
24,119.00 kr