SPECTRE 4670 Header Bolts 3/8-16 3/4

( Brand: Spectre ), ( Type: Header Blots ), ( Manufacturer Part Number: 4670 )

Review SPECTRE Lot Of Header Bolts Packages 3/8-16 3/4 Long fits 2012–2024

Introducing the Spectre 4670 24-piece bolt set, specifically designed for automotive applications requiring 12 x 3/8-16 3/4 inch bolts. This set is an essential addition to any mechanic's toolbox, ensuring you have the right hardware on hand for various repair and maintenance tasks.

Each bolt in this set is manufactured from high-tensile SAE Grade 8 steel, guaranteeing superior strength and durability. The bolts are zinc-coated, providing effective corrosion resistance to ensure they maintain their integrity even in the harshest environments.

The Spectre 4670 set includes 24 bolts, providing ample quantity for various projects. Each bolt features a hexagonal head with a 3/4 inch square drive, making them compatible with standard socket and wrench sets. The hexagonal design also enhances grip and torque transfer, ensuring a secure connection.

These bolts are ideal for use in various automotive applications, including engine mounts, transmission mounts, and other critical components that require a strong, reliable fastener. The consistent 12-piece length ensures uniformity and ease of installation, while the high-quality materials guarantee long-lasting performance.

Whether you're a professional mechanic, a DIY enthusiast, or simply preparing for a weekend project, the Spectre 4670 bolt set offers the reliability and versatility you need to get the job done right. With this set in your toolbox, you'll be prepared for a wide range of repairs and upgrades, giving you the confidence to tackle even the most complex automotive projects.

Pros and Cons of Buying Spectre 4670 24-Header Bolts (12 x 3/8-16 3/4)

a. High-Quality Material: Spectre 4670 bolts are made of SAE J30 Grade 8.8 steel, which is known for its strength and durability.

b. Corrosion Resistance: These bolts feature zinc coating and nickel plating for excellent protection against rust and corrosion.

c. Versatility: The 12 x 3/8-16 3/4 size makes these bolts suitable for various applications, particularly in automotive and industrial settings.

d. Affordability: Compared to other high-performance bolts, Spectre 4670 bolts are relatively affordable.

a. Tightening Requirements: The high-strength material of these bolts necessitates the use of specialized tools and techniques for proper tightening, which may require additional investment.

b. Potential Over-Torquing: If not torqued to the correct specifications, these bolts can potentially cause damage to the components they are securing.

c. Limited Availability: Spectre 4670 bolts may not be readily available in local hardware stores and must be ordered online or from specialized retailers.

The Spectre 4670 24-header bolts offer several advantages, including high-quality materials, corrosion resistance, versatility, and affordability. However, they come with some drawbacks, such as the requirement for specialized tools, the potential for over-torquing, and limited availability.

If you need high-strength bolts for applications that require excellent resistance to rust and corrosion, the Spectre 4670 24-header bolts are a suitable option. Ensure you have the proper tools for torquing these bolts and follow the recommended specifications to avoid potential damage. Consider purchasing these bolts in bulk to save on costs and ensure availability when needed.

part # 4670 prices

• $20.00-$36.30

specifications maniheader:

• for years: 2012-2024
• brand: Spectre
• type: Header Blots
• manufacturer part number: 4670

returns maniheader:

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

offer maniheader:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 4
• started: October 22, 2025

general maniheader:

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

seller maniheader:

• rating: 99.3%
• # reviews: 16360

payments maniheader:

• other
• wallet: Google-pay
• credit card: Visa

shipping maniheader:

• class: Economy
• service: Economy
• cost: $7.99
• transit: 2-6 Days
• type: Fixed

Spectre 4670 Is Similar To:

• Spectre 46523 Performance 4642 Header Reducer (37.5% similar) $37.99–$46.15. (June 25th, 2025)
• Spectre Spe-46723 Header Bolt Kit 0.875in Allen Head Bolts (44.8% similar) $12.59–$25.70. (August 26th, 2025)
• Spectre Spe-4641 Performance 4641 3 Inch X 2-1/2 Header Reducer Gasket With Bolts/gaskets (37.2% similar) $24.95–$55.99. (January 4th, 2026)