NEW 1:8 Onroad race engine. Beginning with an O.S base, the internals are completely new and built in Italy and individual optimised. Running a long stroke 16.78 with 16.28 piston, it features the newest technology to guarantee the best performance and reliability. The 3.5cc ‘Black Sun’ has been given a new combustion chamber for 16% and 25% nitro fuel use which allows you to increase torque with all fuels. The engines get a new reinforced rod and rear Swiss WIB ceramic bearing for more power and longevity.
