Harley started a revolution in 1936 with the OHV Knucklehead that is still going strong today. Arguably the best looking motor ever to come out of Milwaukee, it still stops the informed dead in their tracks on the street or at the shows.

Now, with technical innovations, advances in materials, and super-accurate machine tolerances; big inch, reliable Knuckle-style engines are a reality at Accurate Engineering. We're not talking trailer queens here, these babies run and they run strong!