Exhaust Port Stud, 5 Pack FRONT FENDERS - BAD DAD SOFTAIL The resulting 106" engine has

The resulting 106" engine has a compression ratio of 10:1

Black Powder Coat and our new custom color finishes of  Aztec Red

Adapters for 18mm bung to 12mm bung conversions and extended O2 sensor wires are included for 2010-2016 models with the 12mm bung

and a stock EFI Throttle body will fit because the manifold mounting surfaces of the heads have been specially machined to fit a stock length manifold

Bad Dad's 905 Front Floorboards are the next addition in our series of custom floorboards

Exhaust Port Stud, 5 Pack FRONT FENDERS - BAD DAD SOFTAIL The resulting 106" engine hasReplacement exhaust port stud for 1984 later big twin and XL motors. Four required per engine, sold as a 5 pack.