Feuling FE-1303 594 Reaper Chain Drive Camshaft Set for Twin Cam 07-17/Dyna 2006 Models594 CAMS Fierce performing camshaft for an array of engines sizes, large displacement 103", 110" & 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (RPM 2,200 6,250.) Smaller high revving displacement 95" style engines in lighter bikes looking to twist the throttle and tap into some horsepower (RPM 2,500 6,800). Large displacements respond well to increased compression ratio and smaller displacements will