The Weber 48 IDA 7 downdraft carburettor has been synonymous with Motorsport for decades and has been successfully used in competition V8's V6's and boxer 'Flat' engines such as VW Beetles and Porsche 911. They are also a great carburettor choice for highly tuned Mazda rotary engines.Ideal for race enginesTried and tested on VW flat 4, Mazda rotary, V8 and V6 engines.Wide range of choke and jet sizes available for fine tuningThe Weber IDA is a large twin barrel carburettor with synchronous opening for maximum flow and performance. The carbs are supplied with a standard set of chokes and jets which may need to be changed depending on the application. A full range of jet and choke sizes are available to buy separately.