Porsche 911 Weber carburetors set 46 IDA 3C. 
Available the hight quality carburetors made in Spain by Weber. 
 
Designed to promote high rev power and responsiveness of the engine to accelerator demand.
 
Best upgrade to improve your Porsche 911 Air Cooled. 
 
Jetting specs: 
Venturi 30 mm
Auxiliary Venturi 4.5
Main jetin 125
Air corrector in 180
Emulsion tube F26