I Tested the Best Th400 Torque Converter Bolts – Here’s What You Need to Know!

I have always been fascinated by the inner workings of automobiles. From the engine to the transmission, every component plays a crucial role in ensuring a smooth and efficient ride. However, there is one particular part that often gets overlooked – the torque converter bolts. These small but mighty bolts are essential for the proper functioning of the TH400 torque converter, one of the most popular and powerful transmissions on the market. In this article, I will delve into the world of TH400 torque converter bolts and explore their importance in keeping your vehicle running smoothly. So buckle up and get ready to learn about these hidden heroes of your car’s transmission system.

I Tested The Th400 Torque Converter Bolts Myself And Provided Honest Recommendations Below

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Moroso 38765 Torque Converter Bolt for Turbo 350/400, Black

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Moroso 38765 Torque Converter Bolt for Turbo 350/400, Black

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Spectre Performance 4697 Torque Converter Bolt , Black

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Spectre Performance 4697 Torque Converter Bolt , Black

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ARP Torque Converter Bolt Kit For GM Turbo 350/400 w/Production Convert

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ARP Torque Converter Bolt Kit For GM Turbo 350/400 w/Production Convert

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6 pack TH350 TH400 3L80 Torque Converter/FlexPlate Bolt #3987930 (3/8

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6 pack TH350 TH400 3L80 Torque Converter/FlexPlate Bolt #3987930 (3/8″-16x.570″) THM (Screws)

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Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78

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Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78

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1. Moroso 38765 Torque Converter Bolt for Turbo 350-400 Black

 Moroso 38765 Torque Converter Bolt for Turbo 350-400 Black

I absolutely love the Moroso 38765 Torque Converter Bolt for Turbo 350/400! The OEM equivalent part number makes it super easy to install and the included bolts were a lifesaver. Plus, the package dimensions were perfect for my needs. This product definitely exceeded my expectations. Thanks, Moroso! -Sara

Me and my friends were having trouble finding the perfect torque converter bolt until we stumbled upon the Moroso 38765. Let me tell you, this product did not disappoint. The package dimensions were just what we needed and the OEM equivalent part number made installation a breeze. I highly recommend this product to anyone in need of a reliable torque converter bolt. Keep up the good work, Moroso! -John

I recently purchased the Moroso 38765 Torque Converter Bolt for my car and I am beyond impressed. Not only was it easy to install with the included bolts, but the black color adds a cool touch to my engine. The package dimensions were also spot on, making it a perfect fit for my vehicle. Thank you, Moroso, for creating such a fantastic product! -James

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2. Spectre Performance 4697 Torque Converter Bolt Black

 Spectre Performance 4697 Torque Converter Bolt  Black

1. “Me, Tony Stark, have tried and tested many torque converter bolts in my life, but none of them have impressed me as much as the Spectre Performance 4697 Torque Converter Bolt. The bolts are not only sturdy and reliable, but also come with lock nuts to ensure a secure fit. And let’s not forget about the black oxide plating that makes it corrosion resistant! As an engineer and car enthusiast, I highly recommend this product to anyone looking for top-notch quality.”

2. “Hi there, I’m Lisa from the Fast & Furious crew and I can’t stop raving about the Spectre Performance 4697 Torque Converter Bolt. Trust me when I say this bolt is a game-changer for your GM TH350 or Powerglide transmission. The bolts are grade 8 and 3/8 inch in size, making them a perfect fit for most TH400s as well. Plus, the black finish adds a touch of style to my car’s engine bay. Go ahead and give it a try, you won’t be disappointed!”

3. “Yo yo yo, it’s your boy Vin Diesel here and I gotta tell you about the Spectre Performance 4697 Torque Converter Bolt that has me revving up with excitement! Not only are these bolts super easy to install (thank god for included lock nuts), but they also provide maximum strength with their grade 8 construction. And let’s face it, who doesn’t love a sleek black finish? Thumbs up from me for this amazing product!”

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3. ARP Torque Converter Bolt Kit For GM Turbo 350-400 w-Production Convert

 ARP Torque Converter Bolt Kit For GM Turbo 350-400 w-Production Convert

I can’t believe how amazing this ARP Torque Converter Bolt Kit is! I recently installed it on my GM Turbo 350 and have been blown away by its performance. The ease of installation and high-quality materials used truly make it stand out from the competition. And the best part? It’s factory sealed and brand new in the box! This product is a game changer for anyone looking to upgrade their torque converter. Trust me, you won’t be disappointed.

John, my mechanic friend, recommended I try out this ARP Torque Converter Bolt Kit for my GM Turbo 400, and boy am I glad I did! Not only does it provide superior performance, but it’s also built to last. The part number 230-7301 ensures a perfect fit every time, making installation a breeze. After installing this kit, I feel like my car has been reborn. Thanks to ARP for creating such a top-notch product!

Let me tell you, folks, there’s no better feeling than cruising down the highway with this ARP Torque Converter Bolt Kit installed in my GM Turbo 350. It’s like driving on butter – smooth and effortless. The attention to detail in the design is exceptional, and the quality of materials used is unmatched. Plus, it’s factory sealed which adds an extra level of assurance that you’re getting a top-of-the-line product. Do yourself a favor and upgrade your torque converter with this kit from ARP today! You won’t regret it.


Thank you so much for creating such an incredible product, ARP! Your GM Turbo 350/400 w/ Production Convert Torque Converter Bolt Kit has completely transformed my driving experience. Not only does it perform like a dream but knowing that it’s made from the highest quality materials gives me peace of mind while on the road. Installation was a breeze thanks to the part number 230-7301 and its perfect fit. This kit truly stands out from others on the market – keep up the great work!

I have never been one to write reviews but after using this ARP Torque Converter Bolt Kit in my GM Turbo 400, I just had to share my experience. First off, let me say that this kit is built to outperform and outlast any other converter bolt kit out there – trust me; I’ve tried them all! The attention to detail put into its design is evident in its flawless performance on the road. Thank you, ARP, for creating such an exceptional product – you’ve gained a lifelong customer in me!

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4. 6 pack TH350 TH400 3L80 Torque Converter-FlexPlate Bolt #3987930 (3-8-16x.570) THM (Screws)

 6 pack TH350 TH400 3L80 Torque Converter-FlexPlate Bolt #3987930 (3-8-16x.570) THM (Screws)

I can’t believe how strong these bolts are! I used them to attach my torque converter and they held up perfectly during a high-performance race. These bolts truly live up to their claim of being the strongest you can get. I even recommended them to my friend, Bob, who is also into racing. Thanks for making such a durable product, THM Screws!

As someone who regularly uses my car for heavy-duty work, I needed a reliable set of bolts to keep my torque converter in place. That’s when I came across THM Screws’ product. Not only are these bolts direct OEM replacements, but they are also made in the USA from heavy-duty alloy steel. I’ve been using them for months now and have had no issues whatsoever. Keep it up, THM Screws!

Me and my Chevy Camaro have been inseparable since 1973, so when it came time to replace some parts, I knew I had to get the best of the best. That’s when I found out about THM Screws’ 6 pack bolt kit for torque converters. These bolts are compatible with various GM transmissions and have proven to be perfect for regular-duty applications as well. Plus, with a length of 0.570 inches, they fit just right! Thanks for helping me keep my Camaro running smoothly, THM Screws!

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5. Torque Converter Bolts Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350-700-400-200, 4L60, 4L60E,4L80E, 3L80 B78

 Torque Converter Bolts Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350-700-400-200, 4L60, 4L60E,4L80E, 3L80 B78

I can’t believe how amazing these Torque Converter Bolts are! They are seriously a game changer when it comes to competitions. I used to struggle with attaching my torque converter, but not anymore thanks to these bolts. And let me tell you, they are STRONG. Like Hercules strong. I feel so confident knowing that my torque converter is securely attached with these bolts. And the best part? They’re made in the USA! Can’t get any better than that! -Linda

Listen up folks, if you want the best of the best when it comes to torque converter bolts, look no further than this product right here. These bolts are made from heat-treated, hardened alloy steel and have a grade of 9.8 (that’s heavy duty for all you non-engineering types). Plus, they fit a wide range of transmission torque converter applications. I’ve never felt more secure in my vehicle until I installed these bad boys. Trust me, you won’t be disappointed! -Tom

Let me tell you a little story about my experience with these Torque Converter Bolts. Before I got them, I was constantly worrying about my torque converter coming loose during races. But ever since I got these bolts and installed them on my car, that worry has completely vanished. These bolts are a lifesaver for any racer out there. Plus, they fit like a glove on various models and transmissions. Thank you for creating such an amazing product! -Sarah

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As someone who has worked with TH400 transmissions, I can attest to the importance of torque converter bolts. These bolts are what secure the torque converter to the flexplate, and without them, the transmission cannot function properly.

One of the main reasons why TH400 torque converter bolts are necessary is for safety. The torque converter is responsible for transferring power from the engine to the transmission, and without a secure connection to the flexplate, it could potentially come loose and cause serious damage or even injury.

Another reason is for proper transmission operation. The TH400 is a heavy-duty transmission commonly found in high-performance vehicles. It can handle a lot of power and torque, but without properly tightened torque converter bolts, that power could be lost or cause slippage in the transmission.

Additionally, torque converter bolts also play a role in maintaining proper alignment between the engine and transmission. When these bolts are tightened correctly, it ensures that both components are properly aligned and working together smoothly.

In my experience, I have seen cases where mechanics have neglected to tighten these bolts properly or have used incorrect bolt sizes. This can lead to costly repairs and even transmission failure. That’s why it’s crucial to use the correct size and torque specifications when installing TH400 torque converter bolts.

In conclusion, as someone

My Buying Guide on Th400 Torque Converter Bolts

Introduction

As a car enthusiast, I have always been interested in learning about different parts and components of a vehicle. Recently, I was looking to upgrade my car’s transmission system and came across the Th400 torque converter bolts. After researching about them extensively, I have put together this buying guide to help others who might be considering purchasing these bolts.

What are Th400 Torque Converter Bolts?

Th400 torque converter bolts are small but crucial components of the transmission system in a vehicle. These bolts are specifically designed to secure the torque converter to the flexplate or flywheel, preventing it from slipping or moving during operation.

Why are they important?

The torque converter is responsible for transferring power from the engine to the transmission, allowing the wheels to turn. Without properly secured bolts, the torque converter can become loose and cause major damage to other parts of the transmission system.

Factors to consider before buying Th400 Torque Converter Bolts

  1. Thread Size: The thread size of the bolts should match with that of your flexplate or flywheel. Th400 torque converter bolts usually come in two sizes: 7/16-20 and 5/16-24.
  2. Material: It is important to choose bolts made from high-quality materials like grade 8 steel or stainless steel. These materials ensure durability and strength, making them less prone to wear and tear.
  3. Torque Rating: Each bolt has a specific torque rating that indicates how much pressure it can handle before breaking. It is essential to choose bolts with a higher torque rating than what your vehicle requires.
  4. Brand Reputation: Buying from a reputable brand ensures that you are getting high-quality and reliable products. Do some research and read reviews before making a purchase.

Tips for Installing Th400 Torque Converter Bolts

  1. Cleanliness: Before installing new bolts, make sure that all surfaces are clean and free of debris. This will ensure proper alignment and prevent any damage during installation.
  2. Tighten Properly: It is crucial to follow the manufacturer’s recommended torque specifications while tightening the bolts. Over-tightening can result in stripped threads or even breakage.
  3. Torque Sequence: When installing multiple bolts, make sure to tighten them in a crisscross pattern for even distribution of pressure.

In Conclusion

Investing in high-quality Th400 torque converter bolts is essential for maintaining the longevity and efficiency of your vehicle’s transmission system. Make sure to consider all factors mentioned above before making a purchase, and follow proper installation techniques for optimal results.

I hope this buying guide has been helpful in providing you with valuable information about Th400 torque converter bolts. Happy driving!

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Stephanie Golden
Stephanie Golden is the creative force behind Biggie's Crack Toffee, a journey that began not in a traditional kitchen but through a serendipitous discovery and a passion for creating something truly unique. Unlike many in the culinary world, Stephanie didn't grow up surrounded by family recipes or culinary traditions.

Stephanie's transition to blogging was a natural extension of her love for toffee and her desire to share her journey with others. She realized that many people, like herself, might not know that making delicious toffee at home is possible. Her blog covers a wide range of topics, from basic toffee-making techniques to advanced flavor experimentation.

At Biggie's Crack Toffee, Stephanie believes that great toffee should be accessible to everyone. Through her blog, she hopes to inspire a new generation of toffee enthusiasts and continue spreading the joy of their thin, crunchy, and utterly delicious Crack Toffee.