CASTER RACING "GRENADE" .21 5 PORT TURBO RACE ENGINE [MK2-215T]

Using excellent quality materials and revised carburettor needles and seals as well as improved porting on the liner and crank this is providing excellent performance at an excellnt price.

Using a Turbo head button to increase the useable RPM range the MK2 motors with the best of them. Offering exellent bottom end poke its great on the twisty tracks and with the revised porting revs out well for the longer tracks