Cylinder without cylinder head Ø40mm AIRSAL luxury aluminum bi-segments DERBI euro 3 & 4

To be installed with the AIRSAL cylinder head!

Here is the small luxury Ø39.9mm AIRSAL 50cc cylinder without cylinder head for DERBI euro 3 and 4 engine. Brand and reputation well known in the industry, a very good market price / quality ratio.

This model in diameter Ø39.9mm does not hide it, good performance compared to the original. 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 get off to a good start.

Equipped with a two-segment piston to allow better torque, improved transfers and a bar exhaust outlet. Its advantages ? Its aluminum treatment, its finish, its price! Delivered complete, seals, piston, cylinder, ...

The pack contains :

Complete seal pack
Aluminum cylinder 5 bar exhaust transfers
Bi-segment piston
2 segment
2 piston clips in G
Piston pin Ø12mm

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!