SC 120AR AERO RC RINGED - NEW - Box slightly fadedSC 120AR AERO RC RINGED NEW Box slightly faded Outstanding performance, ballraced precision new improved Mkll series engines add up to more engine and more performance for your money. The SC factory have chosen to feature precision ABC piston liner assemblies in 99% of their 2 stroke engines (the new 180 2 stroke is ringed). Once reserved only for close tolerance competition class engines, the ABC set up (although more demanding to manufacture), gives