Description

The Polini Evolution 3 cylinder kit changed a lot compared to previous versions of the kit. Among other things. it is again with two-piece exhaust port and the inner cylinder head has been changed in order to improve the cooling. The cylinder kit is one of the most powerful in the 70cc class and combined with the right parts, you are guaranteed very high performance. The cylinder is made of aluminum and the cylinder passage itself is with a strong nicasil coating. A long-threaded spark plug must be used for this cylinder. The kit is delivered complete incl. gaskets, piston ring, etc.