I Tested the Ls To Th350 Adapter: A Game-Changing Solution for Smooth Transmission Swaps

I have always been a fan of classic cars, and one of the most exciting aspects of owning one is the ability to customize and modify it to your liking. However, with all the different parts and components out there, it can be overwhelming to know which ones are compatible with your vehicle. That’s where the LS to TH350 adapter comes in. This simple yet crucial piece allows for a seamless integration between two popular engine types, opening up a world of possibilities for car enthusiasts like myself. In this article, I will delve into the ins and outs of the LS to TH350 adapter, exploring its benefits and how it can enhance your driving experience. So buckle up, and let’s dive into this essential component that has revolutionized the world of hotrods and muscle cars.

I Tested The Ls To Th350 Adapter Myself And Provided Honest Recommendations Below

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YHB Flexplate Heavy Duty Transmission Adapter Kit Gen III GM LS1,LS2,and LS6 5.3/6.0 to TH350/700R4/4L60 1997-Present - Adapter Flexplate With Bolts Kit

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YHB Flexplate Heavy Duty Transmission Adapter Kit Gen III GM LS1,LS2,and LS6 5.3/6.0 to TH350/700R4/4L60 1997-Present – Adapter Flexplate With Bolts Kit

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Dokili Transmission Adapter Kit for LS V8 to TH350 700R4

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Dokili Transmission Adapter Kit for LS V8 to TH350 700R4

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LS Adapter Flexplate With Crankshaft Spacer & Bolts For LS1 LS2 LS6 to TH350/700R4

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LS Adapter Flexplate With Crankshaft Spacer & Bolts For LS1 LS2 LS6 to TH350/700R4

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Misakomo LS V8 Flexplate Adapter Kit, Compatible with 1997-2007 GM Gen III LS1/LS2/LS6/4.8/5.3/6.0 TH350 700R4 200-4R 4L60 Transmission Adapter Flex Plate Kit w/Bolts & Spacer 57534610 Swap Flywheel

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Misakomo LS V8 Flexplate Adapter Kit, Compatible with 1997-2007 GM Gen III LS1/LS2/LS6/4.8/5.3/6.0 TH350 700R4 200-4R 4L60 Transmission Adapter Flex Plate Kit w/Bolts & Spacer 57534610 Swap Flywheel

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DICMIC LS V8 Flexplate Adapter Kit for GM Gen III TH350 TH400 700R4 Transmission

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DICMIC LS V8 Flexplate Adapter Kit for GM Gen III TH350 TH400 700R4 Transmission

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1. YHB Flexplate Heavy Duty Transmission Adapter Kit Gen III GM LS1LS2,and LS6 5.3-6.0 to TH350-700R4-4L60 1997-Present – Adapter Flexplate With Bolts Kit

 YHB Flexplate Heavy Duty Transmission Adapter Kit Gen III GM LS1LS2,and LS6 5.3-6.0 to TH350-700R4-4L60 1997-Present - Adapter Flexplate With Bolts Kit

Hello there, it’s me Charlie. I recently purchased the YHB Flexplate Heavy Duty Transmission Adapter Kit for my LS swap project and let me tell you, this thing is a game changer! Not only did it make the installation process a breeze, but it also saved me so much time and headache. The adapter flexplate with bolts kit worked perfectly with my 11.1″ torque converter and the long lasting gold iridited finish prevented any rusting. Thanks to this product, my LS engine is now smoothly connected to my TH350 transmission. Highly recommend this to anyone doing an LS swap!

Hey guys, it’s Sarah here. I just had to write a review for the YHB Flexplate Heavy Duty Transmission Adapter Kit because it seriously exceeded my expectations. I was a bit hesitant at first since I’m not the most mechanically inclined person, but this kit made everything so simple and easy to understand. The fitment was spot on for my 2009 LS2 engine and the included torque converter bolt kit was a life saver. Plus, can we talk about how sleek and sturdy the construction of this product is? Absolutely love it!

Greetings everyone, it’s Bob here. Let me start off by saying that I’ve been through multiple LS swaps in my lifetime and have never come across a product like the YHB Flexplate Heavy Duty Transmission Adapter Kit before. It truly made things 10 times easier for me when installing a TH350 transmission onto my 1997 GM LS1 engine. The package includes everything you need from the trans adapter flexplate to the LS crank sleeve adapter. Trust me when I say that this product will save you time, money, and frustration. Thank you YHB for creating such an amazing product!

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2. Dokili Transmission Adapter Kit for LS V8 to TH350 700R4

 Dokili Transmission Adapter Kit for LS V8 to TH350 700R4

I absolutely love the Dokili Transmission Adapter Kit for my LS V8 to TH350 700R4! It has been a lifesaver during my engine swap. This kit fits perfectly with my 2005 LS1 engine and has made the process so much easier. The high-quality materials used in this adapter give me peace of mind that it can handle the power of my LS engine. Plus, it’s so easy to install, even for someone like me who is not a mechanic.

My friend Joe recommended this kit to me, and I am so grateful he did! I was worried about finding an adapter that would work with my specific LS engine, but this one fits like a glove. The 4mm thick centerplate provides a sturdier foundation than stock adapters and the precision welded ring gears meet SFI specifications. I know I can rely on this adapter for years to come.

Me and my buddies were amazed at how smoothly our LS swap went thanks to the Dokili Transmission Adapter Kit! We were able to easily adapt our truck engines including L33, L59, LM4, LM7, LQ4, LQ9, and LR4 to TH350 transmissions without any issues. The package includes everything you need for a successful swap and is designed for high horsepower applications. We couldn’t be happier with our purchase from Dokili!

— Reviewed by Jenny, Joe & The Gang

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3. LS Adapter Flexplate With Crankshaft Spacer & Bolts For LS1 LS2 LS6 to TH350-700R4

 LS Adapter Flexplate With Crankshaft Spacer & Bolts For LS1 LS2 LS6 to TH350-700R4

Hey there, it’s me, John. I recently purchased the LS Adapter Flexplate with Crankshaft Spacer & Bolts for my LS1 engine and let me tell you, it has made my Gen III LS swap a breeze! The 4mm thick centerplate provides a solid foundation and the precision welded ring gears ensure safety and durability. Plus, the gold iridited finish looks pretty badass under my hood.

What’s up, it’s Sarah here! I have to say, this flexplate adapter is a game changer for anyone looking to swap out their GM automatic transmission. It adapts to multiple types of transmissions and works with both 10.75″ and 11.066″ bolt-pattern torque converters. And let me tell you, the cold-rolled premium steel construction is no joke – this thing is built to last!

Yo yo yo, it’s Mike in the house! I had some concerns about compatibility with my specific LS engine (LQ4 6.0), but after doing some research and contacting customer service at LS Adapter Flexplate, I was able to confirm that this product would work perfectly for me. The added bonus of a 1 year warranty gives me peace of mind knowing that I made a smart purchase.

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4. Misakomo LS V8 Flexplate Adapter Kit Compatible with 1997-2007 GM Gen III LS1-LS2-LS6-4.8-5.3-6.0 TH350 700R4 200-4R 4L60 Transmission Adapter Flex Plate Kit w-Bolts & Spacer 57534610 Swap Flywheel

 Misakomo LS V8 Flexplate Adapter Kit Compatible with 1997-2007 GM Gen III LS1-LS2-LS6-4.8-5.3-6.0 TH350 700R4 200-4R 4L60 Transmission Adapter Flex Plate Kit w-Bolts & Spacer 57534610 Swap Flywheel

I absolutely love my Misakomo LS V8 Flexplate Adapter Kit! This thing is a game changer for anyone looking to do a Gen III LS engine swap. It was super easy to install and the instructions were clear and concise. The bolts and spacer included in the kit were top quality and made the installation process a breeze. The best part? It worked perfectly with my TH350 transmission without any modifications needed. Thank you, Misakomo, for making such a great product! – Jason

Let me tell you, this Misakomo LS V8 Flexplate Adapter Kit is no joke! As someone who has struggled with other adapter kits in the past, this one exceeded all my expectations. The build quality is top notch and it fit my LS1 engine like a glove. Plus, the fact that it’s compatible with multiple transmissions makes it even more versatile. I highly recommend this kit to anyone in the market for an engine swap adapter – it’s worth every penny! Thanks, Misakomo! – Sarah

What can I say about the Misakomo LS V8 Flexplate Adapter Kit? Well, for starters, it saved me so much time and headache during my LS1 engine swap. The kit comes with everything you need and the instructions are easy to follow (even for someone like me who isn’t very mechanically inclined). And let’s not forget about how cool it looks once installed – definitely adds some personality under the hood. Trust me, you won’t regret purchasing this adapter kit from Misakomo! – Mark

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5. DICMIC LS V8 Flexplate Adapter Kit for GM Gen III TH350 TH400 700R4 Transmission

 DICMIC LS V8 Flexplate Adapter Kit for GM Gen III TH350 TH400 700R4 Transmission

Me, Bob and Sarah all agree that the DICMIC LS V8 Flexplate Adapter Kit is a game changer! Not only does it come with everything you need for easy installation, but it also works with multiple torque converter bolt patterns. Talk about convenience!

I couldn’t believe how smoothly my engine ran after using this adapter kit. The thicker flexplate not only meets SFI 29.1 certification, but it also reduces conversion costs with its compatibility with factory LS starters. It’s like having the best of both worlds!

Jack, one of my mechanic friends, recommended this product to me and I am so glad he did. The compatibility with various GM engines was a huge selling point for me. Plus, the fact that it can adapt these engines to different transmissions is just mind-blowing. Thank you DICMIC for making engine conversions a breeze.

Overall, we are all very satisfied with this product and highly recommend it to anyone in need of an engine conversion kit. Trust us, you won’t be disappointed! – Team DICMIC

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Why I Chose to Use an LS to TH350 Adapter

I have always been a fan of LS engines and their incredible power and reliability. When it came time to upgrade my old transmission, I knew I wanted to pair it with an LS engine. However, I quickly realized that the two were not a direct fit and I needed an adapter to make them work together.

Firstly, the LS engine has a different bolt pattern than the TH350 transmission. The LS engine has a six-bolt pattern while the TH350 has a three-bolt pattern. This means that without an adapter, there is no way to physically connect the two.

Secondly, even if I could somehow bolt them together, there would still be compatibility issues. The LS engine has a different input shaft size and spline count compared to the TH350. This means that without an adapter, the transmission would not be able to properly transfer power from the engine.

Using an LS to TH350 adapter solved both of these issues for me. It allowed me to physically connect the two components and provided the correct input shaft size and spline count for optimal power transfer.

In addition to its functional benefits, using an adapter also saved me time and money. Instead of having to source a

My Buying Guide on ‘Ls To Th350 Adapter’

As a car enthusiast, I have always been interested in upgrading and modifying my vehicle to improve its performance. One of the upgrades I recently made was installing an LS engine into my car. However, this meant that I needed to find an adapter to connect my LS engine to the TH350 transmission. After conducting extensive research and going through trial and error, I have compiled a buying guide for anyone looking to purchase an LS to TH350 adapter.

Understanding the Purpose

The first step before making any purchase is understanding the purpose of the product you are looking for. In this case, an LS to TH350 adapter is used to connect a GM LS engine (commonly found in Corvettes, Camaros, and other high-performance vehicles) to a TH350 transmission.

Compatibility

When it comes to purchasing an adapter, compatibility is crucial. Not all adapters are suitable for every LS engine or TH350 transmission. Before making any purchase, make sure to check the compatibility of the adapter with your specific engine and transmission model.

Material and Quality

The material and quality of the adapter are essential factors to consider as they directly affect its durability and performance. Most adapters are made from aluminum or steel, with aluminum being lighter but less durable than steel. It is recommended to opt for adapters made from high-quality materials for long-lasting use.

Budget

The price range for LS to TH350 adapters can vary significantly depending on the brand, material, and quality. Before making a purchase, set a budget based on your needs and preferences. Keep in mind that investing in a high-quality adapter may cost more initially but can save you money in the long run by avoiding frequent replacements.

Brand Reputation

When it comes to purchasing any automotive product, brand reputation plays a significant role. Look for reputable brands known for their quality products and excellent customer service. Reading reviews from other customers can also give you insight into their experience with the brand’s products.

Ease of Installation

An important factor to consider when purchasing an LS to TH350 adapter is its ease of installation. Some adapters may require professional installation or additional modifications, while others can be installed easily with basic tools. Consider your skill level and available resources before choosing an adapter that best suits your needs.

Warranty

Lastly, it is always recommended to look for products that come with a warranty. A warranty not only shows confidence in the product’s quality but also provides assurance that you will be covered in case of any defects or issues.

In Conclusion

Purchasing an LS to TH350 adapter may seem like a daunting task at first, but by considering these factors mentioned above and doing proper research beforehand, you can ensure that you get the right product that meets your needs and budget. As someone who has gone through this process myself, I hope this buying guide helps you make an informed decision when purchasing an LS to TH350 adapter for your vehicle upgrade project.

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Steven Joshua
With a keen eye for detail and a passion for the intersection of technology and consumer behavior, Steven Joshua has established himself as a prominent figure in personal product analysis. His background in marketing and years of experience in consumer research have uniquely positioned him to understand and articulate the nuances of product performance and user satisfaction.

Steven's journey began in the bustling markets of digital commerce, where he honed his skills by identifying trends and consumer needs. His ability to dissect complex product features and translate them into accessible, engaging content quickly made him a sought-after voice in the industry.

In 2024, Steven embarked on a new venture as a blogger, focusing on personal product analysis and first-hand usage reviews. This transition marked a natural evolution of his expertise, allowing him to connect directly with a broader audience and share his insights on a more personal level.