FORD SUM-G9034 Tube Headers 190861050471 400M 78-79

( Type: Exhaust Header ), ( Items Included: Gasket, Mounting Hardware ), ( Color: Silver ), ( Item Height: 16 ), ( Manufacturer Part Number: SUM-G9034 ), ( Features: Left Right Exhaust ), ( Item Length: 11 ), ( Item Width: 37 ), ( Fuel Type: Gasoline ), ( Performance Part: Yes ), ( UPC: 190861050471 )

Review FORD Long Tube Headers 400m 78-79 F series New fits SUMMIT BRONCO

Introducing the Ford Summit Tube Headers, part number SUM-G9034, from Holley Performance Products. These tube headers are specifically designed for 400ci engines in 1978-1979 Ford F-Series Broncos. Replacing your stock exhaust system with these summit tube headers is an excellent upgrade for enhancing performance and power output.

The Holley Summit tube headers are manufactured using premium T304 stainless steel, ensuring durability and longevity. Each header is meticulously crafted with a 1 5/8-inch primary tube diameter and a 3-inch collector diameter. The 15-degree exit angle provides optimal exhaust gas flow and scavenging for optimal engine breathing.

These tube headers come with fully gasketed flanges to ensure a perfect seal and prevent exhaust leaks. They also include studs and nuts for easy installation. The headers have a clearance for the factory catalytic converter, allowing for a direct fitment with the stock exhaust system.

The Holley Summit tube headers not only improve performance by reducing exhaust backpressure but also provide a more balanced exhaust flow between cylinders. This can lead to increased horsepower and torque output, giving your Bronco a more powerful and responsive driving experience.

Furthermore, these tube headers have a polished finish, giving them an attractive appearance that complements the under-the-hood look of your classic Ford F-Series Bronco. Installing these tube headers is a straightforward process and can be accomplished by following the included installation instructions.

Upgrade your 400ci engine in your 1978-1979 Ford F-Series Bronco with the Holley Summit tube headers, SUM-G9034. These high-performance headers will not only deliver improved power and torque but also enhance the visual appeal of your classic truck.

Pros and Cons of Buying Ford Summit Tube Headers (G9034) for 78-79 F-Series Bronco

This discussion aims to provide an informative analysis on the merits and demerits of purchasing Ford Summit Tube Headers (G9034) for 78-79 F-Series Broncos.

1. Enhanced Performance: Summit tube headers improve engine breathing and combustion efficiency, resulting in increased horsepower and torque.

2. Improved Fuel Economy: Due to the more efficient combustion process, Summit tube headers can potentially lead to improved fuel economy.

3. Durability: These headers are made of high-quality materials, ensuring long-lasting durability and resistance to corrosion.

4. Better Sound: The high-flow design of these headers results in a more pleasing exhaust note.

5. Easy Installation: Summit tube headers are relatively easy to install, making it a popular choice for DIY enthusiasts.

1. Cost: Summit tube headers can be quite expensive compared to other header options.

2. Compatibility: Ensure that the headers are compatible with your specific engine configuration and exhaust system.

3. Requires Custom Exhaust: To fully realize the performance gains, custom exhaust work may be required, which adds to the cost and complexity of the installation.

4. Heat Management: Managing the increased exhaust heat generated by these headers can be a challenge, and proper precautions must be taken to avoid damage to other components.

5. Loud Exhaust: The high-flow design of these headers can result in a loud exhaust, which may not be desirable for those seeking a quieter ride.

The decision to purchase Ford Summit Tube Headers (G9034) for a 78-79 F-Series Bronco ultimately depends on individual priorities and preferences. For those seeking maximum power and an exhilarating exhaust note, these headers can be an excellent investment. However, for those prioritizing a quieter ride, improved fuel economy, or a more budget-friendly upgrade, other header options may be more suitable.

Before making a purchase, carefully consider the pros and cons outlined above, as well as your specific goals and budget. Researching alternative header options and consulting with experienced mechanics can also provide valuable insights to help you make an informed decision.

part # sumg9034 price

• $247.99

specifications maniheader:

• for models: Summit, Bronco
• for makes: Ford
• type: Exhaust Header
• items included: Gasket, Mounting Hardware
• color: Silver
• item height: 16
• manufacturer part number: SUM-G9034
• features: Left Right Exhaust
• item length: 11
• item width: 37
• fuel type: Gasoline
• performance part: Yes
• upc: 190861050471

payments maniheader:

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

general maniheader:

• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
• condition: New other see details

seller maniheader:

• # reviews: 305
• rating: 100.0%

returns maniheader:

• policy: No Returns

offer maniheader:

• availability: In Stock
• started: February 15, 2026
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home

shipping maniheader:

• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• transit: 5-11 Days
• class: Standard
• cost: $100.92

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