Piston Ring (57.2mm); Vintage 150 Vespa

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Piston Ring (56.5 mm); Allstate Vespa

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Piston, 57.6 (3-port Vespa 150 cc)

Piston Ring (58.4mm, 2nd Oversize); Vespa P/PX 150, GS 160

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Piston Ring (58.6mm, 3rd Oversize); Vespa P/PX 150, GS 160

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Piston (57.4 mm, 3-port); Vespa 150 cc

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Piston (57.2 mm 3-port); Vespa 150 cc

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Piston Ring (62.6, 3rd Oversize); VSC SS180 Vespa

Piston Ring (62.4, 2nd Oversize); VSC SS180 Vespa)

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Piston Ring (62.2, 1st Oversize); VSC SS180 Vespa