
Over size 1.20 main jet. Genuine Weber carburettor parts by WEBCON.
May be used as an upgrade to the standard 1.07 primary main jet for Weber 34 DATR carburettors, as fitted to European 1500 models.
Can help eliminate low-medium range flat spots when used in combination with upgraded secondary jet and increased ignition advance. The setup most suited to your car can depend on air filter and exhaust type.
The smaller 1.15 jet
EN026
is also available.
Main Jets - Standard Size |
Carburettor | Primary | Secondary | Model |
32 DMTR 22 | 1.10 | 1.15 | European 1300 (up to 1977) |
32 DMTR 34/250 | 1.10 | 1.15 | European 1300 (1977 on) |
34 DATR 7/250 | 1.07 | 1.30 | European 1500 |

Also applicable to Lancia Montecarlo S1 & S2.
Main Jets - Standard Size |
Carburettor | Primary | Secondary | Model |
32 DATRA 9/100 | 1.10 | 1.25 | Lancia Beta Scorpion |
34 DATR 4/200 34 DATR 4/250 34 DATR 4/150 | 1.20 | 1.30 | Lancia Montecarlo S1 & S2 |