In 2014 the LO206 engine is required for the Trainee and Youth classes. Also an option for the 11.90 class. This is an extremely affordable, easy to use option for a new crew chief and driver. Easy to tune, easy to setup and easy on your wallet. When paired with the Shockwave Clutch and TT-10 flyweights, you have an affordable, consistent, and easy to maintain setup. Engine is factory sealed and comes with carburetor and fuel pump only.