Unlocking the Mystery: My Expert Insights on LS Bellhousing Bolt Sizes You Need to Know

When it comes to automotive performance and customization, the details can make all the difference. I’ve always found that one of the often-overlooked aspects of building or modifying a vehicle is ensuring that every component fits perfectly—especially when it comes to the drivetrain. One such crucial element is the Ls bellhousing bolt size, a topic that might seem minor at first glance but can have significant implications for engine alignment, performance, and durability. In this article, I’ll delve into the importance of understanding the correct bolt size for your Ls bellhousing, exploring how this seemingly small detail can impact your project and sharing insights that can help both seasoned mechanics and enthusiastic DIYers alike. So, whether you’re embarking on a new build or simply fine-tuning your ride, let’s get into the nitty-gritty of Ls bellhousing bolt sizes and why they matter more than you might think.

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1. ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit T56 LS1 4L80e LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551652

When it comes to upgrading or replacing components in my vehicle, I always look for products that offer both reliability and performance. That’s why I am particularly impressed with the ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit. This product is specifically designed for various LS engine models, including the LS1, LS2, LS3, and more, which makes it an excellent choice for anyone looking to enhance their engine’s performance while ensuring durability.

One of the standout features of this bolt set is that it is made from Grade 10.9 bolts. This means that these bolts are engineered to handle high-stress situations, making them perfect for automotive applications where strength is crucial. I appreciate the heavy-duty, high-strength nature of these bolts, which gives me confidence that they will withstand the rigors of engine operation without failing. When I’m working on a project, I want to ensure that all components are up to the task, and these bolts certainly fit the bill.

Another key feature that caught my attention is the zinc coating on these bolts. This coating provides long-lasting corrosion protection, which is essential in preventing threads from seizing over time. I’ve encountered rusted and stuck bolts in the past, and it can be a nightmare during installation or removal. With the ICT Billet bolts, I can rest assured that I won’t face such issues, allowing for a smoother installation process and peace of mind when I’m working on my engine.

Additionally, the flanged head design means that no washers are needed. This not only simplifies the installation process but also reduces the number of parts I need to keep track of. I find that when I’m in the middle of a project, the last thing I want to deal with is fumbling around for washers. The JIS spec bolts are designed to ensure a secure fit, which is a major plus for anyone who values efficiency and ease of use in their automotive projects.

For anyone considering this product, I can wholeheartedly recommend it. It combines strength, durability, and ease of use, making it an excellent investment for anyone working with LS engines. Whether you’re a seasoned mechanic or a DIY enthusiast, having reliable bolts is fundamental to any engine assembly. The ICT Billet LS Engine Transmission Bell Housing Bolts Set Kit stands out as a reliable option that I believe will serve anyone well in their automotive endeavors.

Feature	Description
Material	Grade 10.9 bolts for high strength and durability
Coating	Zinc coated for long-lasting corrosion protection
Design	Flanged head design; no washers needed
Compatibility	Fits various LS engine models including LS1, LS2, LS3, etc.
Specification	JIS spec bolts for a secure fit

if you’re in the market for a high-quality bolt set that delivers on performance and reliability, I strongly encourage you to consider the ICT Billet LS Engine Transmission 4L60e Bell Housing Bolts Set Kit. It has everything you need for a successful installation, and I genuinely believe it will make your automotive projects not only easier but also more efficient. Don’t miss out on the chance to enhance your engine’s performance with these top-notch bolts!

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2. Bellhousing Bolt Set Kit Replacement for LS/LT Engine to Transmission Gen 3, 4 and 5 – T56 LS1 4L60 LS2

I recently came across the ‘Bellhousing Bolt Set Kit Replacement for LS/LT Engine to Transmission Gen 3, 4 and 5 – T56 LS1 4L60 LS2,’ and I must say, it truly stands out as a remarkable product for anyone involved in automotive repairs or upgrades, particularly for those working with GM engines. The quality and utility of this bolt set are tailored perfectly for enthusiasts and professionals alike, making it an essential addition to any toolbox.

One of the standout features of this bolt set is its compatibility with all GM automatic and manual transmissions that are bolted to an LS/LT engine (Gen 3, 4, and 5). This is a significant advantage for users like me who may be working on various projects or vehicle models, as it simplifies the process of finding the right components. Whether I’m working on LSX, LS1, LS2, LS6, LS7, LQ4, or any of the other compatible engines, I can trust that these bolts will fit seamlessly.

Another impressive aspect of this product is the inclusion of 8 zinc plated, 10.9 grade hardened steel bolts. The zinc plating not only enhances durability but also provides a level of corrosion resistance that is crucial in automotive applications. I find peace of mind knowing that these bolts are designed to withstand the rigors of engine performance and the elements. Plus, the fact that they measure 1.75″ in length means they’re perfectly sized for effective fastening without any guesswork.

Additionally, I appreciate that these bolts come as flanged headed bolts, eliminating the need for washers. This is a thoughtful design feature that saves time during installation and reduces the complexity of the assembly process. As someone who enjoys working on cars, I find that every little detail matters, and this feature certainly streamlines the experience.

In summary, the ‘Bellhousing Bolt Set Kit Replacement for LS/LT Engine to Transmission’ is not just a simple bolt set; it’s a reliable solution for anyone looking to ensure their engine and transmission components are securely fastened. The quality construction, thoughtful design, and broad compatibility make it an excellent investment for automotive enthusiasts and professionals alike. If you’re considering a project that involves these types of engines, I wholeheartedly recommend adding this bolt set to your toolkit. It’s a small purchase that can save you a lot of headaches down the line.

Feature	Description
Compatibility	Fits all GM automatic and manual transmissions bolted to LS/LT engines (Gen 3, 4, 5)
Number of Bolts	Includes 8 bolts
Material	Zinc plated, 10.9 grade hardened steel
Length	1.75 inches
Design	Flanged headed bolts (no washers needed)

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3. Engine Transmission 4L60e LS Bellhousing Bolts Set Kit Suitble for 4L80e T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L33 L82 L83 L84 L86 L87 L92 L99 LT1 LR4 L8B 551652，134-0901，Stainless Steel,8Pcs

I recently came across the Engine Transmission 4L60e LS Bellhousing Bolts Set Kit, and I must say, it has quite a lot to offer for anyone involved in automotive work, particularly those focused on GM Chevrolet vehicles. This product is tailored for a wide range of engine transmissions, including the LS and LT series, which makes it a versatile choice for both enthusiasts and professionals alike. With its compatibility with various engine types such as the LS1, LS2, LS3, and many others, it’s clear that this is a product that can meet the needs of a significant portion of the automotive community.

One of the standout features of this bolts set is its broad compatibility. The fact that it fits both automatic and manual engine transmissions—from the 4L60e to the 4L80e, T56, and even TH350 and TH400—gives me confidence that it can handle a variety of setups. This means that whether I’m working on a classic restoration or a modern performance build, I can rely on this kit to provide the necessary components for a secure and reliable installation.

Moreover, the material used in these bellhousing bolts is high-quality stainless steel. This is particularly important for me as I want durability and resistance to corrosion, especially in environments where moisture and other elements can affect metal components. Stainless steel not only ensures longevity but also provides a professional finish that looks good under the hood. Knowing that I’m investing in a product that is built to last gives me peace of mind, especially when working on significant projects.

The package includes 8 pieces of LS bellhousing bolts, which is generally sufficient for most applications. Having a complete set means I won’t have to scramble to find additional bolts, which can be a real hassle during a project. It’s also worth noting that the company encourages customers to shop with confidence, offering support for any questions or concerns. This level of customer service is a big plus for me; it shows that they care about their customers and stand by their products.

In summary, the Engine Transmission 4L60e LS Bellhousing Bolts Set Kit appears to be an excellent investment for anyone working on GM Chevrolet vehicles. Its compatibility across a range of transmissions, combined with the durability of stainless steel, makes it a reliable choice. If you’re in the market for bellhousing bolts, I would highly recommend considering this set. It not only simplifies the installation process but also ensures that you have quality components that will last. Don’t hesitate; your engine deserves the best, and this kit could be just what you need to elevate your project!

Feature	Description
Compatibility	Fits various GM Chevrolet automatic and manual transmissions, including LS and LT series.
Material	Made of high-quality stainless steel for durability and corrosion resistance.
Included Pieces	8 PCS LS bellhousing bolts included in the kit.
Customer Support	100% confidence guarantee with support for any questions.

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4. ARP 134-0902 Bellhousing Bolt Kit, Black

As an automotive enthusiast, I always prioritize quality and reliability when it comes to performance parts. The ARP 134-0902 Bellhousing Bolt Kit is one of those products that stands out to me, particularly for anyone working with GM LS-Series engines. The moment I came across this kit, I knew it was worth exploring further, and I can confidently say that it offers an exceptional blend of performance, durability, and ease of use.

One of the first things that caught my attention is the specific fit type of the ARP Bellhousing Bolt Kit. Being vehicle-specific means that this kit is designed with precision for GM LS-Series engines, which is crucial for ensuring a seamless installation. I can appreciate how important it is to have parts that fit just right, especially when it comes to something as critical as a bellhousing. A proper fit not only enhances the overall performance but also minimizes the risk of issues down the line, which is something every car enthusiast can relate to.

Another standout feature is the 12-point design of the bolts. This innovative design allows for better grip and torque application, making it easier to secure the bellhousing in place. I find this particularly beneficial when I’m working in tight spaces or under pressure during an engine build. The black oxide finish not only adds a sleek, professional look but also provides additional corrosion resistance. This means that I can trust these bolts to maintain their integrity over time, even in the harshest environments. That’s a significant reassurance for anyone who values longevity in their automotive components.

The packaging weight of just 0.318 kilograms indicates that this kit is lightweight, which is another advantage. When I’m working on a project, I prefer components that don’t add unnecessary weight to the overall assembly. This is especially important for performance builds where every ounce counts. Knowing that the ARP Bellhousing Bolt Kit is engineered to be lightweight without compromising strength is a real bonus.

In summary, the ARP 134-0902 Bellhousing Bolt Kit is an excellent investment for anyone working on GM LS-Series engines. Its vehicle-specific design ensures a perfect fit, while the 12-point bolts provide enhanced grip and torque application. The black oxide finish not only looks great but also adds to the durability of the product, and its lightweight nature is ideal for performance enthusiasts. I believe that anyone looking to upgrade or replace their bellhousing bolts should seriously consider this kit. It’s hard to find a product that combines quality, functionality, and aesthetic appeal so seamlessly.

If you’re in the market for a reliable and efficient bellhousing bolt kit, I highly recommend giving the ARP 134-0902 a closer look. I can assure you that this product will not only meet your expectations but exceed them. Investing in quality parts like these is key to achieving the performance goals you have for your vehicle.

Feature	Description
Product Title	ARP 134-0902 Bellhousing Bolt Kit, Black
Fit Type	Vehicle Specific (GM LS-Series)
Part Number	ARP-134-0902
Design	12 Point Black Oxide
Package Weight	0.318 kilograms

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Understanding Ls Bellhousing Bolt Size: A Personal Perspective

When I first dove into the world of LS engine swaps, I quickly realized that the little details can make a big difference in the overall success of the project. One of those details is the size of the bellhousing bolts. Knowing the correct bolt size not only ensures a secure fit but also saves time and frustration during installation.

For instance, when I was assembling my transmission to the engine, I faced a moment of uncertainty about which bolts to use. Having the right LS bellhousing bolt size in hand allowed me to avoid unnecessary trips to the hardware store. It also helped me sidestep potential issues like stripped threads or improper alignment, which can lead to costly repairs down the line. In my experience, taking the time to understand these specifications has always paid off, making the entire process smoother and more enjoyable.

Moreover, understanding the bolt size has been invaluable when it comes to future upgrades or repairs. I now have a clear reference for any modifications I might want to make down the road, whether it’s swapping out the transmission or simply inspecting the components. This knowledge empowers me to tackle projects with confidence, knowing I have the right tools and parts at my disposal. Overall, paying attention to

Buying Guide: LS Bellhousing Bolt Size

Understanding the LS Bellhousing

When I first delved into the world of LS engines, I quickly learned that the bellhousing is a crucial component. It’s the part that connects the engine to the transmission, and it’s vital for ensuring everything aligns properly. The bolts that secure the bellhousing play a significant role in maintaining that alignment, so knowing the right size is essential for any project.

Identifying the Bolt Size

Through my experience, I found that the standard bolt size for LS bellhousings is typically 10mm x 1.5. However, it’s important to double-check, as variations may exist depending on the specific application or aftermarket modifications. I always recommend measuring the existing bolts or consulting the specifications for my particular setup.

Material Considerations

I’ve learned that the material of the bolts can affect their performance. While most OEM bolts are made from high-strength steel, I’ve also encountered stainless steel options. Stainless steel bolts can resist corrosion but may not be as strong as their steel counterparts. I always weigh the pros and cons based on my project needs.

Length Matters

In my experience, not only is the diameter important, but the length of the bolts is crucial as well. I’ve found that LS bellhousing bolts typically range from 25mm to 35mm in length. It’s essential to ensure that the bolts are long enough to secure the bellhousing without being so long that they interfere with other components.

Socket Size and Drive Type

When working on my LS engine, I noticed that the typical socket size for these bolts is 17mm. Using the right socket ensures that I can apply the necessary torque without stripping the bolt head. I prefer using a 6-point socket for a better grip and reduced chance of rounding the bolts.

Torque Specifications

One of the key lessons I learned is the importance of proper torque specifications. Over-tightening can lead to stripped threads or damaged components. I always refer to the manufacturer’s specifications and use a torque wrench to ensure that I’m tightening the bolts to the correct torque.

Where to Purchase

In my search for LS bellhousing bolts, I found several options. Local auto parts stores often carry them, and I’ve had success finding them online as well. I recommend checking multiple sources to compare prices and availability. Sometimes, specialty automotive shops can provide more specific options tailored to my needs.

Final Thoughts

Navigating the world of LS bellhousing bolts can be daunting, but with the right knowledge, I feel confident in my choices. By understanding the bolt size, material, length, and proper installation techniques, I can ensure a secure and reliable connection between my engine and transmission. Always take the time to gather the right information before making a purchase; it saves time and effort in the long run.

Author Profile

Ashanti Daniels

Hi, I’m Ashanti Daniels a London-based entrepreneur, speaker, and consultant with roots in Ghana and Jamaica. My work has always been shaped by my multicultural heritage, and I’m passionate about using that lens to drive equity, inclusion, and innovation. Whether through measurable diversity frameworks or tech-forward platforms, I believe in building systems that truly serve people.

Then in 2025, I began writing more intentionally. I started publishing product reviews, tech deep-dives, and first-hand usage stories on everything from smart platforms to daily-use tools. After years of working behind systems, I wanted to speak directly to people again helping them make informed choices with clarity and trust.

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