SPEEDWAY MOTORS 550916 Allen Head Header Bolts Set 3/8-16 3/4 SET/12

( Brand: Speedway Motors ), ( Type: Header Hardware ), ( Material: Steel ), ( Manufacturer Part Number: 550916 ), ( Item Height: 2.000 ), ( Item Length: 3.00 ), ( California Prop 65 Warning: True )

Review SPEEDWAY MOTORS Allen Head Header Bolts 3/8-16 3/4 Inch Set/12

Introducing the Speedway 550916 Allen Head Header Bolts - a high-quality set of 12 bolts designed specifically for automotive applications. These bolts are engineered to meet the demands of modern engines, ensuring a secure and reliable connection between engine components.

Each bolt in this set measures 3/4 inches in length and features a 3/8-16 thread pitch. The Allen head design allows for easy and efficient torquing with a socket wrench or an Allen wrench, providing you with the convenience and precision required for a successful installation.

Manufactured from top-tier steel, these header bolts offer superior strength and durability. They have been heat-treated to enhance their tensile strength and resistance to fatigue, ensuring they can handle the rigors of high-performance engines without compromising.

The bolts in this set come with a protective zinc coating, which shields them from corrosion and oxidation. This not only keeps the bolts looking new but also safeguards them against the harsh conditions often found in automotive environments.

With a set of 12 bolts included, this product is an excellent choice for replacing worn-out or damaged header bolts in your engine. The Speedway 550916 Allen Head Header Bolts provide the reliability and performance that you can depend on for your vehicle's optimal operation.

In summary, these bolts are essential for maintaining the integrity of your engine's header and ensuring the optimal performance of your vehicle. With their superior strength, durability, and corrosion resistance, the Speedway 550916 Allen Head Header Bolts are an investment in the longevity and efficiency of your engine.

Pros and Cons of Buying Speedway 550916 Allen Head Header Bolts

Speedway Motors 550916 is a set of 12 Allen head header bolts with a thread size of 3/16-inch and a length of 3/4-inch. These bolts are suitable for various applications in the automotive industry, including engine building and performance upgrades.

a. High-quality material: These bolts are made from high-tensile steel, ensuring strength and durability.

b. Proper fitment: The 3/16-inch thread size and 3/4-inch length make these bolts compatible with various applications, ensuring a precise fit.

c. Allen head design: The Allen head design provides better torque transfer and reduces the likelihood of stripping, making these bolts an excellent choice for high-performance applications.

d. Affordable: Compared to other high-performance header bolts, the Speedway 550916 set is relatively affordable, making it an accessible option for many enthusiasts.

a. Requires specific tools: To install the Allen head bolts, you'll need an Allen wrench, which might not be included in the package.

b. Thread damage: If the threads in the engine block or header are damaged, these bolts might not provide a secure connection.

The Speedway Motors 550916 Allen head header bolts offer high strength, durability, and proper fitment for various applications. Their Allen head design ensures better torque transfer and reduces the likelihood of stripping. However, they require specific installation tools and may not be suitable for applications with damaged threads.

If you're looking for reliable, high-quality header bolts for your automotive project, the Speedway Motors 550916 Allen head header bolts are an excellent choice. Their affordability makes them a popular option for many enthusiasts. However, make sure your engine block and header threads are in good condition before installing these bolts to ensure a secure connection.

part # 550916 price

• $18.99

specifications maniheader:

• brand: Speedway Motors
• type: Header Hardware
• material: Steel
• manufacturer part number: 550916
• item height: 2.000
• item length: 3.00
• california prop 65 warning: True

seller maniheader:

• # reviews: 342868
• rating: 99.6%

payments maniheader:

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

returns maniheader:

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

general maniheader:

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

offer maniheader:

• sold: 0
• availability: In Stock
• started: December 25, 2025
• options: Ship-to-home

shipping maniheader:

• service: Economy, Expedited
• class: Economy, Expedited
• transit: 5-5 Days
• type: Fixed
• cost: $13.99

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