One of the collest looking built engine ever

This 208-page reference book is a must-have for Harley-Davidson enthusiasts who are looking for vintage parts for their 1936-1947 Knucklehead UL models. With detailed information and clear images, this book is a valuable resource for anyone looking to restore or repair their motorcycle. The book covers a wide range of vintage parts, including those that are difficult to find elsewhere.

Whether you are a collector or a rider, this book is sure to be a valuable addition to your collection. It provides a comprehensive overview of the parts that were used on Harley-Davidson motorcycles during this time period, and can help you identify the parts that you need for your own restoration or repair project.