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.
...Read MoreReplacement 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.