** SPECIAL ORDER ONLY ** 46IDA3C pair (LH plus RH) New pair of authentic Spanish Weber 40 IDA3C carburettors to suit Porsche 911 These have been cast from 100% new tooling produced from the original Italian Weber drawings and manufactured in the Spanish Weber factory using the very latest production techniques to ensure the finest quality and attention to detail. Calibration is as follows: Throttle plate diameter: 46 mm Venturi / Choke: 42 mm Auxiliary Venturi: 4.5 Main Jet: 170 Air Corrector: 145 Emulsion Tube: F24 Idle jet: 70 Pump jet: 50
