Cylinder Kit 57mm for 150cc Engine Version A Use our detailed pictures and

Use our detailed pictures and measurements to help match your CDI

Ball width (+/- 1mm):  32mm (1

Small end width:  25mm (1

Benelli Velvet 250

Cylinder Kit 57mm for 150cc Engine Version A Use our detailed pictures and57mm Cylinder Kit Version A. This 57mm cylinder kit is the replacement part for many 4 stroke Chinese ATVs, Dirt Bikes, Go Karts and Scooters. Cylinder kits ship complete with cylinder, 57mm piston, piston rings, piston pin, piston clips, and top end gasket set. This kit fits 150cc models. There are 2 versions of the GY6 150cc engine. This kit is for version A engine. PLEASE check measurements and specs BEFORE you order. Gaskets & fins on jug are also