Engine, clone 6.5 (212), predator - nr racing, 212 cc predator gas-saving overhead valves for cooler, cleaner performance and longer life. horizontal shaft makes this an ideal all-purpose replacement engine.. 212cc (6.5hp) predator engine harbor freight: kart, With the largest displacement of comparable engines in their class, predator engines are fierce on power, performance! predator engines are also the green choice with. Engine top plate predator 212cc: kart parts: racing, This aluminum top plate is designed for the harbor freight predator 212 cc engine. hook ups for a throttle linkage ; pre-drilled holes for the fuel pump.