O.S. Engines 22423000 Cylinder and Piston for 21XZ-B Speed Engine by Hobbico Inc

Description

FEATURES: ABC cylinder liner construction, A aluminum piston with B rass liner that is C chrome plated Non-ringed Three intake ports Porting for smooth, INCLUDES: One Piston One Sleeve, REQUIRES: Assembly into engine. Line up the notch on sleeve with pin on crankcase