SPECTRE SPE-46723 Header Bolt Kit Allen Head 089601467238 0.875IN

( Brand: Spectre ), ( Part Type: Header Bolt Head ), ( Air Restricted: No ), ( Manufacturer Part Number: SPE-46723 ), ( UPC: 089601467238 )

Review SPECTRE Header Bolt Kit 0.875in Allen Head Bolts

Introducing the Spectre SPE-46723 Header Bolt Kit, a must-have component for any engine builder or automotive enthusiast seeking to upgrade their vehicle's performance. This premium bolt kit is designed to fit applications requiring 0.875-inch (22.2mm) Allen head bolts for header installation.

The Spectre SPE-46723 Header Bolt Kit is meticulously engineered to meet and exceed the demands of high-performance applications. Each bolt in this set is manufactured from top-grade SAE J30 Stainless Steel, ensuring superior strength and durability. This material is renowned for its ability to withstand the extreme temperatures and pressures encountered during the engine's operation.

The Allen head design of these bolts offers a number of advantages, including easy installation and superior grip, making them an ideal choice for fastening headers to the engine block or exhaust manifold. The bolts' hexagonal heads provide ample grip area for socket wrenches, providing a secure and precise fit.

This comprehensive kit contains all the necessary bolts for a typical header installation, including the essential long bolts for securing the headers to the exhaust manifolds and the shorter bolts for securing the headers to the engine block. The exact number of bolts included may vary depending on the specific application, but the kit is designed to cover most common scenarios.

The Spectre SPE-46723 Header Bolt Kit is backed by a robust warranty, ensuring peace of mind for the discerning automotive enthusiast. The manufacturer's commitment to quality and performance is evident in every aspect of this product, from its meticulous design and manufacturing to its rigorous testing and stringent quality control.

In conclusion, the Spectre SPE-46723 Header Bolt Kit is an indispensable addition to any engine builder's or automotive enthusiast's toolbox. Its high-strength SAE J30 Stainless Steel construction, Allen head design, and comprehensive contents make it a reliable and effective solution for securing headers in high-performance applications. With the backing of a robust warranty, this bolt kit is an investment in both performance and peace of mind.

Pros and Cons of Buying Spectre SPE-46723 Header Bolt Kit (0.875in Allen Head Bolts)

Spectre's SPE-46723 header bolt kit is a popular choice for those looking to upgrade their engine bolts. In this analysis, we will discuss the advantages (pros) and disadvantages (cons) of purchasing this bolt kit.

1. High-Quality Material: These header bolts are made of high-tensile steel, ensuring improved clamping force and better sealing, leading to enhanced engine performance.

2. Allen Head Design: The Allen head design of the bolts ensures easy accessibility for installation and removal, making the process more convenient than traditional bolt designs.

3. Corrosion-Resistant: The bolts come with a zinc coating, which provides protection from corrosion, extending their lifespan and ensuring better durability.

4. Heat-Resistant: The bolts can withstand high temperatures, making them suitable for use in high-performance engines.

5. Replacement: If you're looking to replace old, worn-out bolts, this kit is an excellent choice.

1. Cost: Compared to standard bolts, the Spectre header bolts are more expensive. This might be a consideration for those working with a tight budget.

2. Overkill for Standard Engines: For those with standard engines, the high-performance capabilities of these bolts might be unnecessary, making the investment less justifiable.

3. Requires Specific Tools: To install the Allen head bolts, you will need a socket wrench with an Allen key attachment. If you don't already have this tool, you'll need to purchase it.

The Spectre SPE-46723 header bolt kit offers several advantages, such as high-quality material, Allen head design, corrosion-resistance, and heat-resistance. However, it is more expensive than standard bolts and might be considered an overkill for standard engines. Ultimately, if you're working on a high-performance engine and are looking for improved sealing and durability, these bolts are an excellent investment. For those with standard engines or a limited budget, standard bolts might be a more suitable choice.

Based on the analysis, I would recommend the Spectre SPE-46723 header bolt kit to those working on high-performance engines who are looking for improved sealing, durability, and ease of installation. However, for those with standard engines or a limited budget, it might be more cost-effective to stick with standard bolts.

part # spe46723 prices

• $12.59-$25.70

specifications maniheader:

• brand: Spectre
• part type: Header Bolt Head
• air restricted: No
• manufacturer part number: SPE-46723
• upc: 089601467238

offer maniheader:

• started: August 26, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home
• sold: 0

payments maniheader:

• other
• wallet: Paypal
• credit card: Visa

shipping maniheader:

• type: Fixed
• class: Standard
• cost: $9.99
• service: Standard
• transit: 2-7 Days

general maniheader:

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

returns maniheader:

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

seller maniheader:

• rating: 99.0%
• # reviews: 618

Spectre SPE-46723 Is Similar To:

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• Spectre 46523 Performance 4642 Header Reducer (42.7% similar) $37.99–$39.99. (June 25th, 2025)
• Spectre 4670 Lot Of 24 Header Bolts 2 Packages 12 3/8-16 X 3/4 Long (40% similar) $20.00–$35.06. (October 22nd, 2025)
• Spectre Spe-4641 Performance 4641 3 Inch X 2-1/2 Header Reducer Gasket With Bolts/gaskets (44.9% similar) $24.95–$55.99. (January 4th, 2026)