HammerDown Custom Bike
HammerDown Big Bore Race Bike
HammerDown Black and Chrome Custom
HammerDown Drag Race.
HammerDown Race Bike
HammerDown Cycles and Speed Shop

Custom Harley Performance

HammerDown specializes in horsepower solutions for Harley Davidson® engines–Milwaukee 8, Twin Cam, and Evo motors–to run at peak performance at mile-high altitudes.

In addition, we have the in-house capabilities to machine & fabricate one-off parts, build custom and race motorcycles that are not just very fast but also reliable and rideable.

Customer Reviews


HammerDown Cycles & Speed shop

Big Bore Performance

Stop dreaming about that bike, that one that can outrun the competition?

We can build your dream bike.
Check out our options for going faster.

Go FAster

One of the best parts of what we do is showing the amazing work that comes out of our shop.
We dig Instagram so here’s our feed.