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.
...Leia maisReplacement cylinder heads for '23-'24 FLHXSE and FLTRXSE and '24 FLHX, FLTRX and FLTRXSTSE models equipped with a 131ci/135ci Stage IV kit or 135 Crate engine.
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