for Vespa 150 GS VS2-5/VDTS 58.50mm aluminium Grade AA – first-class repair Product description It does not have to always mean a brand-new cylinder! Once a scooters cylinder has been in operation over a couple of thousand miles a new piston and/or piston rings become essential to maintain sufficient compression. We have all replacement parts available for all common ORIGINAL and tuning cylinders: Directly from our stock there are suitable replacement pistons, piston rings, piston circlips, gudgeon pins and gasket sets available for purchase. What are the main advantages of fitting an oversize piston Retain the existing cylinder. Due to the various diameters of oversized pistons the cylinder can be honed to a guaranteed optimal fit. Serie Pro by Bollag Motos These oversize pistons for the Vespa GS 150 cylinders are manufactured by Bollag Motos in small production runs as part of our Serie Pro range. THE Vespa wideframe specialists for engine overhauls and tuning. High quali