Malossi, Piston (58.3mm, 2nd Oversize); VMA Zuma 125 VS5 Vespa GS 150 58

VS5        Vespa GS 150                      58 - 61   150         Large Frame - 10 in

Hurricane 50

Specialized laminate cast iron construction for maximum component life

This vacuum-operated petcock pushes into the underside of the gas tank and controls fuel delivery to the carburetor

Pinasco cast iron 177cc performance cylinder kit for 2-port vintage largeframe Vespa VNB

Malossi, Piston (58.3mm, 2nd Oversize); VMA Zuma 125 VS5 Vespa GS 150 58Second oversize replacement piston for the MCK3 cylinder kit for Primavera. Comes with wrist pin, circlips, and rings. Piston kits for your 135, 166, and 210 Malossi cylinder kits. Replacement kit comes with piston, rings, pin, and circlips. Please specify which cylinder kit you have and whether you need on size or oversize when ordering. Also, on some of the 210 kits pistons can be sized by a letter i. e. A, B, C, etc This should be visible on your