Casa Performance says:
"Set of 4 x cylinder studs Lambretta Cento + J125 + Starstream + CP One35. These are manufactured by Casa Performance and are extremely high quality. The threaded sections are not the same, and the shorter threaded end fits into the engine casing. "
Product safety information
Manufacturer information:
Rimini Lambretta Centre
Via delle Industrie 13
47824 Poggio Torriana
Italien
info@riminilambrettacentre.com
https://www.riminilambrettacentre.com