This is the stock replacement carburettor for the O.S. / .32SX-H two-stroke helicopter engine. / / FEATURES: Sturdy cast aluminum construction. / / INCLUDES: One complete assembled carburettor. / Two carburettor retaining screws. / One carburettor O-ring. / One extra metal throttle lever (this lever has less of a offset than / the stock one that comes installed on the carburettor). / / SPECS: Outside diameter of the throat: 13mm / KPM 8/16/94 / ir/jl