SU 375-378 Rear Front Mgb Carburetor Kit AUD493 HIF4

( Brand: Su ), ( Type: Rebuild Kit ), ( Ipn: 375-378 ), ( Oe/oem Part Number: Aud493, Hif-4, Hif4 ), ( Country/region Of Manufacture: United Kingdom )

Review SU Mgb Carburetor Kit Both Front And Rear New fits 1972–1974

Introducing the SU Carburetor Kit (Part Numbers: SU 375-378, MGB 1972-1974, Carburetor Kit Aud493 Hi-Fi 4 - Front and Rear), a premium replacement solution for your classic MGB's fuel delivery system. This kit is meticulously designed to provide an authentic driving experience while ensuring optimal performance and fuel efficiency.

The SU Carburetor Kit is a direct factory replacement for the original SU HS2 carbs that came with your MGB. Each carburetor in this set consists of a twin choke SU HIF4 design, which delivers an impressive air-fuel mixture for superior combustion. This results in a smoother engine idle, enhanced throttle response, and improved fuel economy.

Manufactured with precision, the SU Carburetor Kit is crafted from high-quality materials to ensure durability and reliability. Each carburetor features a robust cast aluminum body, hard-wearing diaphragms, and corrosion-resistant components. The kit also includes all necessary hardware for a straightforward installation process.

The Hi-Fi 4 design offers an advanced fuel delivery system, which guarantees consistent idle speed and stable engine performance under various driving conditions. This is achieved through the use of a vacuum-operated choke mechanism that provides quick and efficient idle enrichment. Additionally, the kit comes with an adjustable main jet, allowing for easy fine-tuning to suit different driving styles and fuel types.

The SU Carburetor Kit's front and rear design caters to both the left and right carburetors of your MGB engine. This means that you can trust this kit to deliver balanced performance across all cylinders, ensuring an enjoyable and responsive driving experience.

In summary, the SU Carburetor Kit (Part Numbers: SU 375-378, MGB 1972-1974, Carburetor Kit Aud493 Hi-Fi 4 - Front and Rear) is a superior replacement solution for your classic MGB's fuel delivery system. Designed for optimal performance, durability, and ease of installation, this kit is the perfect choice for any MGB enthusiast looking to restore their vehicle to its former glory.

The MGB Carburetor Kit AUDI-493 HIF4 (SU 375-378), manufactured by Webber, is a popular aftermarket carburetor solution for MGB cars produced between 1972 and 1974. This kit is designed to replace the original SU carburetors. Here are some pros and cons that may help you make an informed decision:

1. Improved Performance: The Webber HIF4 carburetors offer better fuel efficiency, increased power, and improved throttle response compared to the original SU carbs.

2. Easy Installation: The kit is relatively easy to install. It comes with all necessary hardware, instructions, and gaskets.

3. Durability: The Webber HIF4 carburetors are known for their durability. They are made from high-quality materials and are designed to withstand the rigors of regular use.

4. Improved Fuel Economy: The carburetor kit can help improve fuel economy by ensuring that the engine receives the correct amount of fuel at all times.

5. Better Idle Stability: The HIF4 carburetors offer better idle stability, which can help prevent stalling and improve overall drivability.

1. Cost: The carburetor kit can be quite expensive. It may cost several times more than the original SU carbs.

2. Complexity: The installation process can be more complex than swapping out the original carbs. It may require some mechanical knowledge and experience.

3. Calibration: The HIF4 carburetors may require some calibration to achieve optimal performance. This can be a time-consuming process.

4. Unique Needs: The carburetor kit may have unique needs, such as specific fuel types or adjustments, which may not be covered by the kit or the instructions.

The Webber HIF4 carburetor kit for MGB cars offers several benefits, including improved performance, durability, and fuel economy. However, it also comes with some drawbacks, such as cost, complexity, and potential calibration needs. If you're looking to upgrade your MGB's carburetors and are willing to invest the time and money, this kit may be worth considering. If you're on a budget or prefer a more straightforward solution, the original SU carbs may be a better choice. Ultimately, the decision comes down to your specific needs, preferences, and budget.

part # 375-378 prices

• $89.99-$409.95

specifications carbcaddie:

• for years: 1972-1974
• brand: Su
• type: Rebuild Kit
• interchange part number: 375-378
• oe/oem part number: Aud493, Hif-4, Hif4
• country/region of manufacture: United Kingdom

shipping carbcaddie:

• transit: 3-8 Days
• cost: $0.00
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS

offer carbcaddie:

• options: Ship-to-home
• started: July 22, 2025
• quantity: 1
• sold: 0
• availability: In Stock

seller carbcaddie:

• rating: 99.0%
• # reviews: 106

payments carbcaddie:

• wallet: Apple-pay
• credit card: Mastercard
• other

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New

returns carbcaddie:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

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