Carburetor sump rubber -SIL-TECH PERFORMANCE- Vespa Largeframe without oil pump. For PX old up to model year 83, GT/GTR/TS 125, Sprint 150, Rally180/200 and other oldies with SI carburetor without oil pump. The flexible component manufactured in 3D printing by the tuning company SIL TECH-Performance replaces the original air filter cover gasket. It is petrol-resistant and sits securely and accurately on the edge of the original carburettor bowl. Can also be combined with cover spacers, but then longer cover screws must be used.