Ø50mm cylinder head stud PARMAKIT for 90cc 46mm kit PAMAKIT race on DERBI euro 1 & 2

Here is the spare cylinder head stud kit for PARMAKIT 90cc race 46mm aluminum DERBI EURO 1 and 2. Model with high compression room very well studied, polished and mounted O-ring. The finish is high-end! Ideal for repair in case of breakage or wear on the joint plan, after tightening ... Non contractual picture Important!