Part Number: 10-1123 Application: 1984-1998 FXST1986-1998 FLST1984-1994 FXR1991-1998 FXD1984-1998 FLT Details:Andrews Evolution cam shaft is a mild bolt-in street cam with .498 lift. Cam provides crisp throttle response and strong pulling power from 1800 to 5200 RPM. Cam will work with stock springs.UOM: EA Country of Origin: USA