Compatible with models:

Classic/Vintage Vespa Models:
Vespa 150 GS (Model VS5T, from engine number 0063169 onwards)
Vespa 160 GS (VSB1T)
Vespa 180 Super Sport (VSC1T)
Vespa 180 Rally (VSD1T)
Vespa 200 Rally (VSE1T)

Vespa PX Models and derivatives (7-spring clutches up to 1994):
Vespa P200E / PX200 E
Vespa PX200 E Arcobaleno / Elestart (up to 1994)
Vespa T5 / T5 Classic (125cc)
Vespa Cosa 1 (Versions equipped with a standard 7-spring clutch)