BRAND NEWPART# 214110 Andrews R5 .445 Lift Cams by Andrews Fits 1971-1980 Harley Ironhead Sportsters .445 Max Lift Sold as a set of four. A complete four-cam set of intake and exhaust cams designed for modified 1000cc engines and mild strokers for the street or the strip. A big boost in torque over stock P cams through entire rpm range, up to 7500. Can use stock springs, but spacing is required. Cam lobe clearance must be checked on 77 and later models. Timing: 43/31 Duration at .053: 254 Duration at .020: 306 Max Lift: .445 TDC Lift: .200 USA MADE !!