Part Number: 10-1171 Application: 1984-1998 FXST1986-1998 FLST1984-1994 FXR1991-1998 FXD1984-1998 FLT Details:Andrews Evolution cam is a bolt-in cam for street or touring cam for heavy bikes. Cam lift is .485 . Features more mid-range and upper end power than the stock Evolution cam. EV series cams are designed to maximize Evolution motor performance while retaining the hydraulic lifters. Use with stock springs.UOM: EA Country of Origin: USA