From four-speed Evos to five-speed Buells, this book is the Bible for Sportster performance. Whether your intent is to improve the existing factory parts or ins

Donny is the Winner of the 2012 International Book Awards. Donny Petersen offers the real deal in performancing your Harley-Davidson Twin Cam. Graphics, picture

For Harley-Davidson aficionados, the very name Sportster conjures an image of a fire-breathing mechanical beast scorching the world’s tarmacan image the Sport

The book presents two, start-to-finish builds, one done on an Ironhead, and one on an Evo Sportster. From the initial disassembly to the mock up, paint and reas