225cc GS160 SS180 cylinder kit

The 225cc cylinder kit in aluminum with Nikasil surface treatment, born on the basis of the tried and tested thermal unit for Vespa PX200, is the kit that Vespa GS160 and SS180 enthusiasts lacked. Perfectly interchangeable with the original, it has a billet aluminum manifold with reed valve admission, which allows the assembly of the original carburetor or the classic SI carburetor up to 28mm diameter, torque and maximum power significantly improve. - Aluminum casting with NiCaSil galvanic coating - Displacement 225cc - Bore 69mm - Stroke 60mm - Side spark plug head 4 studs - External exhaust 44mm Applications: Vespa GS 160, Vespa SS 180.