Fits ’14-later XL1200 models. Requires installation of Performance Cylinder Heads P/N 16500074 or 16500347, or upgrade of Original Equipment heads with Performance Valve Spring Kit P/N 18013-03A. All EFI models require ECM calibration for proper installation. ’17-later models require recalibration with Screamin’ Eagle Pro Street Tuner (sold separately)or dealership installed Screamin' Eagle calibration. Labor cost not included. See Dealer for details. Does not fit ’22 California models.