This was a performance vehicle, which is why all of its original engine options were extremely potent. You had the “entry-level” 383 ci V8 with its 335 horsepower and 425 lb-ft of torque ...

Stock engines are all well and good, but they aren't the only way to power a vehicle. There are plenty of third-party options out there for those who care to install them. Your current engine ...

It features a cast-iron engine block with 64cc aluminum heads but uses a longer, 4.0-inch stroke crankshaft and a lower 10.1:1 compression ratio. Two EFI-equipped small-block crate engine options ...

Production has been confirmed of the largest and most powerful engine ever created by Harley-Davidson as a street-compliant crate performance motor. According to Harley, this street-tuned 2210 cc ...