JEGS 38EXFB Exhaust Manifold Bolt Kit Big Block Engines 889944189657 90641 3/8

( Brand: Jegs ), ( Color: Black ), ( Manufacturer Part Number: 38EXFB ), ( Country Of Origin: Usa ), ( UPC: 889944189657 )

Review JEGS Exhaust Manifold Bolt Kit Big Block Chevy Engines 3/8 Inch fits 1969–1970

Introducing the 38EXFB 90641 Exhaust Manifold Bolt Kit, specifically designed for 1969-1970 Big Block Chevy Engines. This essential automotive component is a must-have for any DIY enthusiast or professional mechanic working on these iconic engines.

The 38EXFB 90641 Exhaust Manifold Bolt Kit includes a complete set of high-quality bolts and nuts, all threaded with the standard 3/8 inch thread pitch for a perfect fit. These bolts are engineered to provide superior strength and durability, ensuring a secure connection between the exhaust manifold and the engine head.

Each bolt and nut in this kit is made from premium materials, such as high-tensile steel, ensuring they can withstand the extreme temperatures and pressures generated by the engine. The bolts are also coated with a protective finish, which helps prevent corrosion and ensures a long service life.

The kit includes a total of 16 bolts and nuts, with various lengths and sizes to accommodate different exhaust manifold and engine configurations. Each bolt and nut is carefully packaged to prevent damage during transportation and to ensure they remain clean and free from contaminants until installation.

Installing the bolts and nuts from the 38EXFB 90641 Exhaust Manifold Bolt Kit is a straightforward process. Simply follow the instructions provided in your vehicle's service manual or online, ensuring that you torque the bolts to the recommended specifications for optimal performance and safety.

In summary, the 38EXFB 90641 Exhaust Manifold Bolt Kit is an essential upgrade for any 1969-1970 Big Block Chevy Engine. It provides the strength, durability, and precision needed to ensure a secure and effective connection between the exhaust manifold and engine head, ensuring optimal performance and reducing the risk of costly repairs down the line.

Pros and Cons of Buying a 38EXFB 90641 Exhaust Manifold Bolt Kit for 1969-1970 Big Block Chevy Engines

When working on your 1969-1970 Big Block Chevy engine, you might need to replace the exhaust manifold bolts. The 38EXFB 90641 bolt kit from GM is a popular choice among enthusiasts. In this article, we will discuss the pros and cons of buying this bolt kit to help you make an informed decision.

1. Original Equipment: This bolt kit is an original equipment (OE) replacement part from GM. It is designed to fit and function exactly like the bolts that came with your engine from the factory.

2. High-Quality Material: The bolts in this kit are made of high-strength steel, ensuring that they can withstand the extreme temperatures and pressures of the exhaust system.

3. Complete Kit: The 38EXFB 90641 kit includes all the necessary bolts, washers, and nuts for a complete exhaust manifold installation or replacement.

4. Easy Installation: The bolts are threaded to ensure easy installation and proper sealing of the exhaust manifolds.

1. Cost: The 38EXFB 90641 bolt kit can be more expensive than aftermarket alternatives. However, the higher cost may be justified by the OE quality and the peace of mind that comes with using genuine GM parts.

2. Availability: This bolt kit may not be readily available at local auto parts stores, and you may need to order it online or through a dealer.

3. Weight: The high-strength steel used in the bolts makes them heavier than some aftermarket bolts, which could be a concern for those who need to lift their engine or transport it frequently.

The 38EXFB 90641 exhaust manifold bolt kit from GM offers several advantages, including original equipment quality, high-strength materials, and a complete kit. However, it comes with a higher cost and potential availability issues. If you prioritize OE quality and ease of installation, this bolt kit may be worth the investment. If you're on a budget or prefer aftermarket alternatives, there are other options available. Ultimately, the decision comes down to your specific needs and priorities.

If you're looking for OE-quality exhaust manifold bolts for your 1969-1970 Big Block Chevy engine and are willing to pay a premium for the peace of mind that comes with using genuine GM parts, the 38EXFB 90641 bolt kit is a solid choice. If you prefer a more affordable alternative, consider researching reputable aftermarket brands to find a high-quality, cost-effective option that meets your needs.

part # 38exfb price

• $34.99

specifications maniheader:

• for makes: Chevy
• for years: 1969-1970
• brand: Jegs
• color: Black
• manufacturer part number: 38EXFB
• country of origin: Usa
• upc: 889944189657

seller maniheader:

• rating: 99.5%
• # reviews: 635896

returns maniheader:

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

offer maniheader:

• quantity: 3
• options: Ship-to-home
• started: June 16, 2026
• sold: 0
• availability: In Stock

general maniheader:

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

payments maniheader:

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

shipping maniheader:

• service: Standard
• type: Fixed
• cost: $15.99
• transit: 3-7 Days
• class: Standard

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