Wiseco 80" Evolution domed piston kit is standard size. Piston kit has a compression of 10:1 and includes rings. Bore is 3-1/2". Rings are Hastings X Ring pack.
**NOTE: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings.
FXR Super Glide® 1984-1994
FXD Dyna Glide® 1991-1998
FLST Heritage Softail® 1986-1998
FLT Tour Glide® 1984-1998
FXST Softail® 1984-1998