This is a Cylinder and Piston for a .28 Axial Spec 1S engine.
FEATURES: ABC cylinder construction Aluminum piston 8 port cylinder
INCLUDES: One piston and sleeve Instructions
REQUIRES: Installation following the instructions
SPECS: Ports: 8 ajw 12-27-06
BOX DIMENSIONS: 4.00" W. X 1.00" H. X 7.00" L. BOX WEIGHT: .10 LBS.