Dale's Wheels Through Time - The 1937 Harley-Davidson Knucklehead - This Model EL features an all-1937 61c.i. Knucklehead engine along with the one-year-only Delphine Blue, striped in Teak Red and edged in
Oceana Cycles - Bike: 1937 Harley Davidson UL 80 cubic inch flathead, complete engine built by Oceana Cycles. | Facebook
![1937 Harley-Davidson EL Knucklehead | T29 | Las Vegas 2014 | Harley knucklehead, Classic harley davidson, Harley davidson motorcycles 1937 Harley-Davidson EL Knucklehead | T29 | Las Vegas 2014 | Harley knucklehead, Classic harley davidson, Harley davidson motorcycles](https://i.pinimg.com/736x/66/32/21/66322165784768a076a9233681dcc63f.jpg)
1937 Harley-Davidson EL Knucklehead | T29 | Las Vegas 2014 | Harley knucklehead, Classic harley davidson, Harley davidson motorcycles
![1937 Harley-Davidson Knucklehead Gunning for High Six-Digit Price During August Sale - autoevolution 1937 Harley-Davidson Knucklehead Gunning for High Six-Digit Price During August Sale - autoevolution](https://s1.cdn.autoevolution.com/images/news/1937-harley-davidson-knucklehead-gunning-for-high-six-digit-price-during-august-sale-195194-7.jpg)