With production largely shut down on account of the coronavirus pandemic, Harley-Davidson found enough resources to announce this week the introduction of new engine upgrade kits for Screamin' Eagles, ...

Harley-Davidson offers four upgrade stages for riders seeking more power from their bikes. The Stage 2 upgrade builds directly on a Stage 1 upgrade, which typically involves a performance air cleaner, ...

While motorcycles might not have something as popular as an LS engine swap, there are plenty of bike owners who replace their existing motor with something stronger. It might seem like a daunting task ...

It's big bike season here at the resident Jalopnik bike nerd's house, because Harley-Davidson dropped off this gorgeous Performance Orange Street Glide Special with a big-bore crate engine swap from ...