Manufacturer Description

This is the Cylinder and Piston
for the OS Engines 12XZ Speed Spec III Engine.

FEATURES:
Redesigned port angles in cylinder liner for better air/fuel flow
Piston has tapered surface with depression in the middle for better
    air/fuel flow

INCLUDES:
Cylinder Liner and Piston, key #4

BOX DIMENSIONS: 2.00" W. X .88" H. X 3.50" L.
BOX WEIGHT: .05 LBS.