Ideal for the refurbishment of your high engine tight, broken, worn, primed ..., here is the original TNT type cylinder for mécaboite DERBI euro 3 and 4 like the DERBI GPR, X-TREM, X-RACE 50cc. .. Or even the 50cc APRILIA motorcycles from 2007! You can mount it with the original stud bolt or with a TNT, CARENZI cylinder head ...
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Of average quality, it is certainly not as good as the origin (especially on euro 3 which has the original aluminum cylinder with exhaust has boosters), but it has a very low price and will offer you ample solidity to hold more than 10 000km, it has all the same despite being in cast iron an exhaust has boosters. In cast iron, it is delivered complete with piston, segments, seals, axle, clips ...
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!