M12 wave (double curve) spring steel lock washer for use with a standard nut on the cosa type 2 clutch fitted to Vespa PX engines 1998-2016.
Vespa Cosa Clutch Nut - Flanged Clutch Nut - PX125disc
Vespa Cosa Clutch Plate Kit /Late Type Cork plates, steels & springs - PX200disc
Vespa PX T5 PK Cosa Clutch Cable Adjuster Kit
Vespa Cosa Clutch 22 Tooth Drive Cog - for late 8-spring PX125/150 10% upgrade
Vespa Px125, Px200 4 Plate Cosa Type Clutch Kit - Newfren Made in Italy Px, Cosa
Genuine Vespa Clutch Nut & Wavy Washer For Cosa Type Clutch, all models of PX...