ITALKIT hemispherical Ø48mm cylinder head stud for racing pack and kit 75cc long race 42 on DERBI euro 3 & 4

Here is the spare cylinder head stud for the ITALKIT Competition Racing aluminum 75cc Ø48 mm engine pack and kit on DERBI Euro 3 and Euro 4. It is hemispherical in shape and its finish is polished. High compression chamber very well designed, stud mounted on O-ring to the cylinder head cover (seal not provided). The finish is upscale! Ideal for repair in case of breakage or wear at the joint plane, after tightening .... Chamber volume 5.50cc.