Cool vintage kit for Morini m1 and m101 engines. The 43mm cast iron Metrakit!
Piston has both a boost window and large scallop in the skirt. 2 ring piston with a dykes upper ring. Generous exhaust port. Upper port features a neat finger for keeping your rings in place.
Cylinder skirt has an OD of 47.8 MM.
This is a vintage and discontinued kit. The head gasket has a couple creases in it. No returns or exchanges on this fun old cylinder. Last one!