When Vespa started making the PX the flywheel cowling screws were changed from slotted screws the Phillip's headed screws, this is a set of four Phillip's stainless screws and washers. 4 Vespa Flywheel Cowling Bolts & Washers in Stainless Steel.
4 Vespa Flywheel Cowling Bolts & Washers Allen Key Headed Stainless Steel Geared
4 Slotted Vespa Flywheel Cowling Bolts & Washers in Stainless, Older Style V...
Vespa Flywheel Cover / Cowling Cowl - Vespa V50, PV125, ET3 - black
Vespa Electric Starter PX 125 150 200 Stainless Flywheel Cowling Cover
Vespa PX 125 150 200 Flywheel Cowling Cover Without Electric Starter
Vespa Flywheel Cover Cowling Chrome Metal V50 V90 Primavera 125 ET3 Italian