1. Manifolds & Headers Offered
  2. sku: 6572100139503762
  3. SPEEDWAY 550976

SPEEDWAY MOTORS 550976 Header Bolts Set 5/16-18 3/4 SET/14

550976 Speedway Motors Header Bolts 5/16-18 X 3/4 Inch Set/14

( Brand: Speedway Motors ), ( Type: Header Hardware ), ( Material: Steel ), ( Color: Black ), ( Manufacturer Part Number: 550976 ), ( Item Height: 1.000 ), ( Item Length: 6.00 ), ( Item Width: 5.000 ), ( California Prop 65 Warning: True )

Review SPEEDWAY MOTORS Header Bolts 5/16-18 3/4 Inch Set/14

Introducing the Speedway 550976 Header Bolts, a high-quality solution for securing your header or exhaust system. This set comprises 14 bolts with a 5/16-18 thread pitch and a length of 3/4 inch. Each bolt is designed to provide superior strength and durability, ensuring a reliable connection between the header and the exhaust components.

The Speedway 550976 Header Bolts are manufactured using premium materials that offer enhanced resistance to corrosion and rust. Their zinc-plated finish protects them from the harmful effects of the environment, guaranteeing long-lasting performance even in the most challenging conditions.

These bolts are specifically engineered for applications in the automotive industry, providing the necessary torque and clamping force to securely fasten headers or exhaust systems. Their precise thread pitch and length ensure a perfect fit, eliminating the need for modification or customization.

When you choose the Speedway 550976 Header Bolts, you can trust that you're getting a dependable and reliable solution for your automotive needs. Their high tensile strength and resistance to wear and tear make them an excellent choice for both professional mechanics and enthusiasts.

The set includes 14 bolts, allowing you to complete your installation project with confidence. Each bolt is individually packaged to ensure that they remain in pristine condition until you're ready to use them.

In summary, the Speedway 550976 Header Bolts are a must-have for anyone working on a performance engine or exhaust system. Their superior strength, corrosion resistance, and precision threading make them an essential addition to your automotive toolkit. With their zinc-plated finish and perfect fit, these bolts deliver the reliability and durability you need for your project.

Pros and Cons of Buying Speedway 550976 Header Bolts: A Detailed Analysis

Introduction:

The Speedway 550976 header bolts are a popular choice among automotive enthusiasts for their durability and resistance to high temperatures. These bolts are specifically designed for use in header applications and come in a set of 14, with each bolt having a 5/16-18 3/4 thread pitch. In this analysis, we will discuss the potential advantages and disadvantages of purchasing these header bolts.

Pros:

1. High-temperature resistance: The Speedway 550976 header bolts are made from high-strength material, making them suitable for use in high-temperature applications such as header installation.

2. Durability: These bolts are designed to withstand the rigors of automotive use, ensuring a long service life.

3. Corrosion resistance: The bolts are coated with a protective layer, providing an additional layer of protection against corrosion.

4. Quality assurance: Speedway is a reputable brand, and these bolts come with a warranty, giving buyers peace of mind.

5. Convenient set: The set includes 14 bolts, ensuring that buyers have enough bolts for most standard header installations.

Cons:

1. Cost: Compared to other bolt options, the Speedway 550976 header bolts may be more expensive.

2. Limited compatibility: These bolts are specifically designed for use in header applications and may not be suitable for other types of installations.

3. Requires specialized tools: Installing these bolts may require specialized tools, which could increase the overall cost of the installation.

Conclusion:

The Speedway 550976 header bolts offer several advantages, including high-temperature resistance, durability, corrosion resistance, quality assurance, and a convenient set. However, they also come with some disadvantages, such as cost, limited compatibility, and the requirement for specialized tools. Ultimately, whether or not to purchase these bolts depends on the specific needs and budget of the buyer.

Recommendation:

If you are in the market for header bolts and are looking for high-quality, durable, and temperature-resistant options, the Speedway 550976 header bolts may be an excellent choice for you. However, if cost is a concern or if you have compatibility issues, it may be worth considering alternative options. In any case, it is recommended to carefully evaluate your needs and budget before making a purchase.

part # 550976 price

  • $16.99

specifications maniheader:

  • brand: Speedway Motors
  • type: Header Hardware
  • material: Steel
  • color: Black
  • manufacturer part number: 550976
  • item height: 1.000
  • item length: 6.00
  • item width: 5.000
  • california prop 65 warning: True

general maniheader:

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

returns maniheader:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

payments maniheader:

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

offer maniheader:

  • options: Ship-to-home
  • started: June 28, 2025
  • sold: 0
  • availability: In Stock

seller maniheader:

  • # reviews: 324055
  • rating: 99.2%

shipping maniheader:

  • transit: 5-5 Days
  • service: Economy, Expedited
  • type: Fixed
  • cost: $13.99
  • class: Economy, Expedited
type: header hardware, item height: 1.000, item length: 6.00, item width: 5.000, california prop 65 warning: true,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: black, material: steel, sku: 6572100139503762,

Speedway Motors 550976 Is Similar To:

maniheader logo
1 offer $16.99 USD
  • Offer #1: $16.99 price + $13.99 delivery = $30.98* total. These heat-treated steel hex head header bolts ffeature a black oxide coating, They work great for bolting headers to your small block Chrysler 273, 318, 340 or 360, Has 5/16"-18 x 3/4" threads, .550" head diameter, Set of 14 bolts.+$13.99 shipping