This is the Piston for the O.S. Engines 91HZ F3C Competition
Helicopter Engine, OSMG1975 and the 91HZ-PS 3D PD-08 Pump Engine, OSMG1976.
FEATURES: Aluminum construction
Replaces worn or damaged pistons
INCLUDES: One piston for the 91HZ F3C and 91HZ-PS Engines
REQUIRES: Installation on the engine
SPECS: Height: 25mm (0.98")
Diameter: 27.6mm (1.08")
BOX DIMENSIONS: 3.25" W. X 1.13" H. X 3.50" L.
BOX WEIGHT: .03 LBS.