Forged billet aluminum cover tops off a cast back plate with integral breather for a smooth transition to the throttle body.
...Read MoreFits '16-'17 FXDLS and Softail® and '08-'16 Touring and Trike models with Original Equipment 50mm Throttle Body. All models require ECM calibration for proper installation. ’17 models require recalibration with Screamin’ Eagle® Pro Street Tuner (sold separately) or dealership installed Screamin’ Eagle calibration.