If you’ve ever wondered how Harley’s doing with their engines, sit down for a bit; we’ve got a press release celebrating that Harley’s just gone and set a new benchmark for performance – and not just ...
The Screamin’ Eagle 131 engine combines the 4.5-inch stroke of the Milwaukee-Eight 114 engine with new 4.31-inch bore cylinders. Milwaukee-Eight Extreme Ported four-valve cylinder heads are CNC-ported ...