2006 Big Dog Pitbull Chopper This Big Dog originally comes with a 117ci engine however, this one has a freshly installed 127ci engine from Ultima called the Black Gem! This engine has 140 HP stock. It has custom Andrews gear driven cam and compression realeses flowing the head for 20% more CFMJE pistons, Crower Rods with a lightweight flywheel This bike is extremely fast. It has been dyno tested at 155 HP This was the only Black Gem verified in out area at the time of install There is no actual mileage the odometer does not light up (as seen in pictures) The engine is brand new, barely rode, there are less than 300 miles on the engine itself. Only rode for test drives and tuning. There is about $10,000 just in the motor alone. Contact 563-221-1988 with any questions.