Building a Massive 222 Cubic Inch Harley Motor

If you're looking for sheer, unadulterated torque, the 222 cubic inch Harley motor is basically the king of the mountain. We aren't talking about your standard Stage IV upgrade or a mild big-bore kit you'd find in a dealership catalog. This is a monster. To put that displacement into perspective, 222 cubic inches is roughly 3.6 liters. That is larger than the engines found in many modern sedans and SUVs, yet it's stuffed between two wheels. ...

February 21, 2026 · 6 min · Bondarev Eujenio