OS 105/108FSR Piston Ring

OS Piston Ring for 105/108FSR

This is the Replacement Piston Ring for the OS Max 108FSR Engine.
This piston ring goes around the piston in the groove.

FEATURES: All steel contruction

INCLUDES: One metal piston ring.

REQUIRES: Piston, if needed (OSMG7556)

SPECS: Static, non-compressed dimensions:
Inner Diameter: 27.5mm (1.08")
Outer Diameter: 29.5mm (1.16")
Ring Thickness: 1mm (.04")

COMMENTS: At the "split" of the ring, it features a locating groove to fit
the locating pin that is on the piston.

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