BRAND NEW PART # 291159 or 494691 or DS199444 Andrews Products grinds its cams with the help of a computer with cam design capabilities. This superior technology gives the utmost in both performance and reliability. Only the best alloy steel billets and heat-treating processes are utilized. Furthermore, the power in Harley s Evolution engines can be made even more convincing when a superior Andrews computer-designed high-performance cam is installed. These hydraulic lifter cams are capable of 6,000-plus rpm with stock springs and no valve float. EV59 EVOLUTION CAM Designed for modified 80 to 88 motors For use with high lift springs and collars Very broad powerband to 6,000 rpm Use with Hi-lift springs Fits all 1984-1999 Harley Davidson Evolution Big Twin models (excludes 1999 Twin Cams) Made in the USA Sold individually INTAKE Open (in degrees): 28 Close (in degrees): 48 Duration at .053 (in degrees): 256 Duration at .020 (in degrees): 290 Valve lift: .560 Lift at TDC: .236 EXHAUST Open (in degrees): 56 Close (in degrees): 24 Duration at .053 (in degrees): 260 Duration at .020 (in degrees): 294 Valve lift: .560 Lift at TDC: .208