Cristian Sosa crafted this around a 100 year old Douglas opposed cylinder engine, and added an AMR500 roots supercharger, bolted it up to a ’58 Triumph gearbox and primary

https://en.wikipedia.org/wiki/Douglas_(motorcycles)

https://pipeburn.com/haas-museum-mama-tried/

https://www.facebook.com/sosametalwork

https://www.facebook.com/sosametalwork/posts/-i-named-this-bike-tochtli-the-aztec-word-for-rabbit-on-the-aztec-calendar-tocht/3821588161243673/