Vespa PX Cosa GTR TS Sprint BGM Pro 177/187cc Piston Kit 63mm - A Discontinued Crisp pressing

Crisp pressing

By Mark Paxton

0 JACKET GREEN WITH ORANGE STRIPE - SMALL

Runner 97/98

Vespa PX Cosa GTR TS Sprint BGM Pro 177/187cc Piston Kit 63mm - A Discontinued Crisp pressingVespa PX Cosa GTR TS Sprint BGM Pro 177 187cc Piston Kit 63mm A The pistons of the BGM177 cylinder are manufactured by the renowned Italian piston manufacturer METEOR. The piston has a high silicon content. Therefore it has a lower thermal expansion, is more wear resistant and thermally very stable. PISTON RINGS Two 1mm thick piston rings, also made in Italy, minimize friction and thus increase power and speed stability. They are also identical in