We may receive a commission on purchases made from links. Motorcycles grow more powerful with each passing year, with engines like Indian's Power Plus 108 and Harley-Davidson's new 2.1-liter Screaming ...

Step into the world of crate engines and motor swaps, and you'll probably stub your toe on a Chevy LS small block, the occasional Coyote V8, or even a high-strung K-Series motor. However, you may also ...

Motorcycles grow more powerful with each passing year, with engines like Indian's Power Plus 108 and Harley-Davidson's new 2.1-liter Screaming Eagle IV V-twin putting out 122 and 130 horsepower, ...