Weber carburetor, recommended for Opels with original 1.9L engine. This is a water choke model, which is a bolt-on replacement for the original Solex carburetor. This is a genuine, European-Made Weber, which combines a high-quality of design and manufacturing with ease of tuning. Best when installed using our #9031 water choke adaptor, and our part #9003 air filter kit or #9063 Dome cap to retain the original GT air filter , #9004 and 9018 gaskets, #9029 linkage adaptor, #9034 stud set and #9060 ball nut.