The Twin Power™ EFI Flanges are CNC-machined from billet 6061-T6 aluminum and chrome-plated.

• 50 mm EFI flange set sold as a single unit, mounting hardware not included
• CNC-machined from billet 6061-T6 aluminum in raw finish for durability
• Fits 2006-2017 Big Twin Harley-Davidson models with EFI systems