If you're a Harley-Davidson rider looking for more power, smoother performance, or better throttle response, you’ve probably come across the idea of upgrading your Milwaukee-Eight or Twin Cam engine. These engines are built to last, but with the right upgrades, they can do a whole lot more than just last — they can fly.
At Hoban Brothers Motorcycles in Newton, Wisconsin, performance builds are more than just bolt-on parts. It’s about building smarter, faster engines that match how you actually ride. Whether you’re taking long highway trips or putting serious stress on your bike at the track, the right combination of upgrades can make a huge difference.
Why Riders Upgrade
Most riders start thinking about performance when they feel like their Harley just isn’t pulling like it used to — or when they ride someone else’s bike that’s been upgraded and realize what they’re missing. Upgrades can improve:
- Acceleration
- Mid-range torque
- Top-end horsepower
- Overall reliability under pressure
For Milwaukee-Eight engines, the jump in power with the right cam, intake, and tuning is massive. With Twin Cam engines, a properly balanced and blueprinted bottom end can completely change how the bike feels at every speed.
The Building Blocks of a Performance Upgrade
Every rider’s needs are different, but most performance builds start with a few key components:
- Camshaft upgrades for improved torque curves
- Cylinder head work for better airflow and combustion
- Crankshaft balancing (especially on Twin Cams) for smoother operation
- Dyno tuning to make sure everything works together perfectly
At Hoban Brothers, we also work closely with Darkhorse Crankworks and use Dynojet tuning to dial things in with precision.
Is It Worth It?
If you’re chasing numbers alone, performance upgrades aren’t always the cheapest route. But if you're looking to keep your Harley and want it to feel just right every time you twist the throttle — it’s absolutely worth it.
A well-built engine doesn’t just give you more power. It gives you confidence every time you ride.
Final Thoughts
Upgrading your Milwaukee-Eight or Twin Cam engine is about more than horsepower — it’s about making your bike truly your own. If you’re thinking about starting a build, or just want to learn more, the team at Hoban Brothers Motorcycles is always happy to talk through options.
Stop by the shop or give us a call — no pressure, just honest advice from riders who love this stuff as much as you do.