O.S. Piston Ring FS155A-PTower Stock# OSMG7834 • Manufacturer Stock# 42503400
This ring fits around the piston to form a tight seal
between the piston and the cylinder liner.
Replaces worn piston rings
One Piston Ring for the O.S. FS155A-P 4-Stroke engine - key #14
Inserting in grooved area at top of piston. Care must be taken when