Weber 40 DCOE or 45 DCOE carburettor needle - Ø 200

• This Ducellier distributor, without a vacuum capsule, uses the original curve of the Ducellier 4137A distributor, except for the absence of a socket for a mechanical rev counter.
• Advance curve in "Distributor revs": 2° at 350 rpm / 5° at 800 rpm / 11° at 1400 rpm
• To measure engine revs on the vehicle,multiply the revs and degrees by x2.
• The curve of this distributor is adapted to SP98 gasoline.
• Ideal for engines prepared with Kit 904cm³.

• Idle speed adjustment screw spring for WEBER 40DCOE and 45DCOE
• sold individually, ,eed 2 pieces for one carburettor
• Part number 47 on the exploded view
• Fits other WEBER carburettors, see below  

Bulb included