Shadow L4-135 2.2L SOHC VIN D FI (1992)
A square cut rubber piston seal is located in a machined groove in the caliper bore and provides a seal between piston and caliper bore.
A molded rubber dust boot installed in a groove in the cylinder bore and piston keeps contamination from the caliper bore and piston. The boot mounts
in the caliper bore and in a groove in the piston.