Two bikes enter. One bike leaves. Actually, spoiler alert, both bikes leave just fine under their own power. Only one can be the most powerful, however. Shadetree Surgeon puts his own Triumph Rocket 3 on the dyno against Bert’s Harley-Davidson‘s latest custom ride. Known at “Road King Kong,” it’s a Road King with a 131 crate motor swap that seriously wakes it up, as well as whoever is riding it.