Piston rings set -GRAND SPORT Race / Road Plus- Vespa Polini 133cc – 57.0mm x 1.0mm vendita

Description

Replacement piston ring for Grand- Sport Road Plus Polini, DR, Malossi conversion pistons.

Diameter:57.0 mm.
Ring thickness: 1 mm.

Also suitable for Grand Sport pistons of the very first generation with modified compression height.
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