WEBER 38 DGAS Carburettor Kit for MGB 1800 B Series – Twin SU Conversion

WEBER 38 DGAS Carburettor Kit – Twin SU Conversion for MGB 1800 B Series

Give your MGB fitted with the 1800 B Series engine improved drivability, smoother running and stronger performance with this WEBER 38 DGAS conversion kit, designed as an upgrade from the original twin SU carburettors.

This genuine WEBER Performance kit has been developed specifically for the MGB B Series 1800 engine to provide a noticeable improvement in drivability, throttle response and overall performance compared with the original twin SU setup.

Kit includes

• 1 genuine Spanish-made WEBER 38 DGAS auto-choke carburettor
• Carburettor correctly jetted for the 1800 B Series engine
• 1 inlet manifold
• 1 throttle linkage set
• 1 high-quality air filter
• Soft mounts, studs, nuts and associated fittings

The WEBER carburettor is supplied with a calibration developed for the MGB 1800 B Series, providing excellent driveability and performance straight out of the box.

Why convert from twin SU carburettors to a WEBER 38 DGAS?

This conversion has been developed to provide a noticeable improvement in driveability and economy compared with the original twin SU carburettors.

The WEBER 38 DGAS provides smooth and progressive throttle response and is particularly well suited to road-going classic MGBs. The automatic choke also makes cold starting and everyday use easier.

For enthusiasts looking to upgrade the carburation of their MGB 1800 while retaining the character of the classic B Series engine, this is a comprehensive and proven conversion.

Recommended low-pressure fuel pump

We recommend fitting this kit with a suitable low-pressure fuel pump for carburettor applications.

See our 12 V low-pressure fuel pump – 0.17 to 0.30 bar / 2.5 to 4.5 PSI:
PAFWFP17303

Key specifications

• Brand: WEBER 
• Carburettor: WEBER 38 DGAS
• Choke: Automatic
• Engine: B Series 1800
• Application: MGB
• Original setup: Twin SU carburettors
• Type: Carburettor conversion kit
• Carburettor manufacture: Spain
• Inlet manifold: Included
• Throttle linkage: Included
• Air filter: Included

Genuine WEBER carburettor

PAFClassic is an official distributor of WEBER and WEBCON products.

All WEBER carburettors supplied by PAFClassic are genuine WEBER units manufactured in Spain under Magneti Marelli licence.

We have access to more than 11,000 carburettor and spare-part references, together with the WEBER technical library, allowing us to help source the correct components for your carburettor and application.

Beware of copies. Counterfeit and lower-quality WEBER-style carburettors are increasingly common on the market. Their manufacturing quality can vary considerably, and components such as jets may not be compatible with genuine WEBER parts, making correct calibration difficult.

Choosing a genuine WEBER means having access to the correct specification, genuine replacement components and the technical information required for servicing and tuning.