D&D Performance Exhaust currently offers CAMS and Tuners as individual parts for Harley Davidson motorcycles. The Red Shift Cams is designed for the Milwaukee-Eight engines. The Tundermax Tuner is designed specifically for EFI equipped Harley Davidson motorcycles. Looking for more? We're always innovating and adding more performance increasing parts to our catalog. For more information about D&D products give us a call at (817) 834-8961.