Voodoo Camshafts for Harley Davidson applications deliver more area under the curve than any other series of cams for these engines. This means more throttle response, quicker acceleration, more vacuum and better efficiency. These factors,combined with maximum horsepower and torque, make Voodoo Camshafts the perfect choice for your Harley. High RPM or stock replacement type lifters also available separately. Not legal for use on pollution controlled vehicles, check local laws before installation. Great power in mid to upper RPM range. Likes upgraded fuel and aftermarket exhausts and higher compression ratios. RPM Range 2100-6100. Gross Valve Lift In/Ex - .577in. /.585in. Duration .053in. In/Ex - 247/251.