VT#: 10-5056
S&S 640 cam has .640 lift for big inch engines with 10.5:1 up to 11.5:1 compression ratio. Cam requires spring spacing and hydraulic lifters.
FXST Softail® 1984-1998
FLST Heritage Softail® 1986-1998
FXR Super Glide® 1984-1994
FXD Dyna Glide® 1991-1998
FLT Tour Glide® 1984-1998