Kit 70cc high engine Ø48mm AIRSAL sport aluminum DERBI euro 3 & 4

Here is the small high engine 50cc AIRSAL sport kit for DERBI euro 3 and 4 engine. Brand and reputation well known in the medium, a very good quality / price ratio of the market. This model in diameter Ø47.6mm does not hide it, extra ordinary performance.

It will certainly be more efficient because it has a very correct finish, work in the channels reviewed and corrected but is above all a good element to start again on a good basis. Equipped with a single-segment piston to allow more high speeds (reduced friction), improved transfers and a bar exhaust outlet.

Its advantages ? Its aluminum treatment, its finish, its price! Delivered complete, with cylinder head, gaskets, piston, cylinder, ...

We recommend this kit with at least : reinforced crankshaft and bearings, minimum 21mm carburetion, racing exhaust, cold racing spark plug, reinforced clutch ...

As an option we offer a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!