In this category you will find all the kits, complete engine top that we can have for your motorcycle, motocross, enduro and trial GAS GAS 2 stroke. We offer only quality products such as WORKS, ATHENA,... We select for you the best brands of the market to be able to guarantee you products of quality. We choose these marks because it respects our charter of quality in terms which is composed of several point of control like the quality of nikasil, the completion, the performances as well as the performances.

In this category you have 2 types of high engine. The first one is the original type also called OEM which is simply a kit of the same displacement as your original motorcycle. However as the brand ATHENA does it for example even if you put the cylinder of the same displacement as the original you often gain some hp. We explain this in each description. The other type of top engine is called BIG BORE. This part simply means that what you put on your original motorcycle but you increase the displacement of it considerably. This allows an immediate gain in torque and speed. The BIG BORE range is designed so that you can mount it on your original connecting rod, carburetor and clutch.

Don't forget to do the break-in, carburetor adjustment and your squish for each cylinder assembly to be able to enjoy your motorcycle as long as possible.