Unlocking Precision: My Expert Journey with Speedometer Gears for Turbo 350
As a car enthusiast and a proud owner of classic rides, I’ve always been fascinated by the intricate components that keep our vehicles running smoothly. One piece that often goes unnoticed, yet plays a crucial role in the performance of a Turbo 350 transmission, is the speedometer gear. These seemingly small gears are vital for accurately measuring speed and ensuring your speedometer reflects the true performance of your vehicle. In my journey to understand the nuances of automotive mechanics, I’ve delved into the world of speedometer gears for the Turbo 350, uncovering not just their significance but also how they can enhance the driving experience. Whether you’re restoring a vintage car or simply looking to improve your daily driver, understanding these gears can make a world of difference. Join me as we explore the importance of speedometer gears, their compatibility, and how they can help you achieve optimal performance on the road.
I Personally Evaluated the Turbo 350 Speedometer Gears and Shared My Honest Recommendations Below

GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 18 19 20 21 22 TEETH SPEEDO W/BULLET & CLAMP

GM Turbo TH350 350 Automatic Transmission Speedometer Gear Set 17 18 19 20 21 22 Teeth Speedo W/Bullet & CLAMP

Ciuouient Bullet Speedometer Gear housing with oring and Seal Plus an Extra Seal kit Compatible with Turbo Hydra-Matic 180/C, 200/C, 250/C, 300, 350/C, 375B Hydramatic AutomaticTransmissions

GM TURBO 350 TH350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 17 18 19 20 21 22 23 TEETH SPEEDO BULLET & CLAMP
1. GM TURBO TH350 350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 18 19 20 21 22 TEETH SPEEDO W/BULLET & CLAMP

As someone who has always valued performance and precision in vehicle modifications, I find the GM Turbo TH350 Automatic Transmission Speedometer Gear Set to be an exceptional product for anyone looking to enhance their driving experience. This gear set is designed specifically for the TH350 transmission, which is widely known for its reliability and efficiency. The inclusion of various tooth counts—18, 19, 20, 21, and 22—ensures that I have the flexibility to fine-tune my speedometer to accurately reflect my vehicle’s speed. This is particularly important for performance enthusiasts like me who want their speed readings to be precise, especially when pushing the limits of our vehicles.
One of the standout features of this gear set is its comprehensive design, which includes not only the speedometer gears but also the necessary bullet and clamp for installation. This thoughtful inclusion simplifies the installation process, allowing me to get everything I need in one package without the hassle of sourcing additional components. For someone who appreciates a DIY approach, this makes the installation much more straightforward and less time-consuming. It’s reassuring to know that I can install this gear set myself without needing to rely on a professional mechanic, which also saves me money in the long run.
Moreover, the versatility of having multiple tooth options means that I can customize the gear set based on my specific vehicle setup. Whether I have larger tires or different rear end gear ratios, I can select the appropriate gear to maintain accurate speed readings. This level of customization is crucial for performance tuning, as it allows me to ensure that my speedometer remains accurate regardless of modifications I make to my vehicle. The performance benefits of using the correct speedometer gear are significant; not only does it prevent potential issues with speed-related systems, but it also enhances my overall driving experience by providing me with reliable feedback on my speed.
In addition, the quality of the materials used in the GM Turbo TH350 gear set gives me confidence in its durability. High-quality components can withstand the rigors of high-performance driving, ensuring that I won’t face premature wear and tear. This reliability means that I can focus on enjoying my drive, knowing that my speedometer will function accurately and consistently, whether I’m cruising on the highway or tackling twisty backroads.
Ultimately, I believe that the GM Turbo TH350 Automatic Transmission Speedometer Gear Set is a wise investment for anyone who values performance and accuracy in their vehicle. Whether I’m a casual driver or a hardcore enthusiast, having precise speed readings is essential. With its easy installation, customizable options, and durable construction, this gear set stands out as a top choice in the market. If you’re considering a way to enhance your driving experience and ensure your speedometer works flawlessly, I wholeheartedly recommend this product. It’s a small yet impactful upgrade that can make a significant difference in how I enjoy my vehicle.
Feature Description Compatibility Designed for GM TH350 automatic transmission Tooth Count Options Includes gears with 18, 19, 20, 21, and 22 teeth Included Components Comes with speedometer gear set, bullet, and clamp Easy Installation Simplified DIY installation process Durability High-quality materials for long-lasting performance
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2. GM Turbo TH350 350 Automatic Transmission Speedometer Gear Set 17 18 19 20 21 22 Teeth Speedo W/Bullet & CLAMP

When I first came across the GM Turbo TH350 350 Automatic Transmission Speedometer Gear Set, I couldn’t help but feel a sense of excitement. This product is a game changer for anyone who is serious about optimizing their vehicle’s performance. Whether you are a car enthusiast, a mechanic, or someone who just wants to get the most out of their driving experience, this speedometer gear set is tailored to meet your needs. With an array of options ranging from 17 to 22 teeth, this gear set allows for precise calibration of your speedometer, ensuring accuracy and reliability in your readings.
One of the standout features of this speedometer gear set is its versatility. The ability to choose between different tooth counts means that I can customize my speedometer to match the specific gear ratio of my vehicle. This is particularly beneficial for those of us who have made modifications to our vehicles, such as changing the rear axle ratio or installing larger tires. By aligning the speedometer with these changes, I can ensure that my speed readings are accurate, preventing any potential issues with law enforcement or miscalculating mileage.
Furthermore, the inclusion of the bullet and clamp adds convenience to the installation process. I appreciate how this gear set comes with everything I need to make the swap seamlessly. For someone like me who enjoys DIY projects, having all the necessary components included reduces the hassle of searching for additional parts, making the installation process straightforward and efficient. This means I can spend less time working on my vehicle and more time enjoying the open road!
What truly impresses me is the quality of the materials used in the GM Turbo TH350 gear set. Built to withstand the rigors of driving, this gear set is designed for durability and long-lasting performance. I feel confident that I am investing in a product that will serve me well over time, providing accurate readings and peace of mind. In today’s market, where many parts can be flimsy or unreliable, it’s refreshing to find a product that prioritizes quality.
For anyone who is considering this speedometer gear set, I highly recommend it. The combination of precision, ease of installation, and durability makes it a worthwhile investment. Not only will it enhance my driving experience, but it will also ensure that I am driving with confidence, knowing that my speedometer is providing accurate information. If you are looking to improve your vehicle’s performance and ensure that you have an accurate speed reading, this gear set is definitely worth considering. Don’t miss out on the chance to elevate your driving experience!
Feature Description Tooth Count Options Available in 17, 18, 19, 20, 21, and 22 teeth for customizable speedometer calibration Includes Bullet & Clamp All necessary components for easy installation included Durability Constructed with high-quality materials for long-lasting performance Versatility Compatible with various modifications, ensuring accurate speed readings
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3. Ciuouient Bullet Speedometer Gear housing with oring and Seal Plus an Extra Seal kit Compatible with Turbo Hydra-Matic 180/C, 200/C, 250/C, 300, 350/C, 375B Hydramatic AutomaticTransmissions

I recently came across the Ciuouient Bullet Speedometer Gear Housing, and I must say, it’s a product that deserves a closer look, especially for those of us who are passionate about maintaining our vehicles in top condition. This gear housing is compatible with a range of Turbo Hydra-Matic transmissions—specifically the 180/C, 200/C, 250/C, 300, 350/C, and 375B models. If you own any of these vehicles, you’ll appreciate the attention to detail and the quality of this product. It’s designed to fit tail housings with a 0.890″ hole and can accommodate various gear configurations, making it versatile for different setups.
One of the standout features of the Ciuouient Speedometer Gear Housing is its comprehensive packaging. It comes with a steel speedometer housing that has a pre-installed seal and O-ring, effectively preventing any potential leakage. This means you can install it with confidence, knowing that it has been designed to keep your transmission running smoothly. Additionally, the package includes an extra outer O-ring and an extra inner metal clad seal. This is a fantastic bonus, as it provides you with the assurance that you have spare parts on hand in case of future needs.
When it comes to size, the steel housing measures 0.875″ x 1.75″ (7/8″ x 1-3/4″), making it compact yet robust enough to withstand the demands of automotive use. The seal diameters are also well thought out, with the O-ring having an outer diameter of 0.875″ and the metal clad seal measuring 0.575″. These specifications ensure that the product will fit perfectly into your vehicle’s existing setup, further minimizing the risk of leaks and ensuring accurate speedometer readings.
Another point worth mentioning is the part number compatibility. The Ciuouient Bullet Speedometer Gear Housing comes with multiple part numbers—35922, 25513247, A44774, 44774, 35227, 345215, 3999L, 6264903, 3869910, and 25513247—making it easy for you to confirm whether it matches your vehicle’s requirements before purchasing. This is a thoughtful inclusion, as it helps eliminate any confusion that can often arise when shopping for automotive parts.
Overall, I believe the Ciuouient Bullet Speedometer Gear Housing is an excellent investment for anyone looking to maintain or repair their Turbo Hydra-Matic transmissions. Its compatibility, comprehensive packaging, high-quality materials, and thoughtful design make it a reliable choice. If you’re in the market for a speedometer gear housing, I would encourage you to consider this product. It not only promises durability and functionality but also provides peace of mind with its extra seals included in the package.
Feature Description Compatibility Fits Turbo Hydra-Matic 180/C, 200/C, 250/C, 300, 350/C, 375B Packaging Includes 1x Steel speedometer housing, 1x extra outer O-ring, 1x extra inner metal clad seal Size Steel Housing 0.875″ x 1.75″ (7/8″ x 1-3/4″) Seal Diameters O-Ring OD 0.875″, Metal Clad Seal OD 0.575″ Part Numbers 35922, 25513247, A44774, 44774, 35227, 345215, 3999L, 6264903, 3869910
the Ciuouient Bullet Speedometer Gear Housing is not just another automotive part; it’s a solution for those who want reliability and efficiency in their vehicle’s performance. I genuinely think this product could make a difference in your driving experience, so take a moment to consider it. Investing in quality parts pays off in the long run, and this one seems to tick all the right boxes!
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4. GM TURBO 350 TH350 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 17 18 19 20 21 22 23 TEETH SPEEDO BULLET & CLAMP

As I dive into the world of automotive enhancements, I can’t help but express my excitement about the GM Turbo 350 TH350 Automatic Transmission Speedometer Gear Set. This product stands out as a remarkable addition for anyone looking to optimize their vehicle’s performance and accuracy in speed measurement. Whether I’m a car enthusiast, a weekend racer, or simply someone who values precision in driving, this gear set is a game changer.
One of the most significant benefits of the GM Turbo 350 gear set is its versatility. With options ranging from 17 to 23 teeth, this gear set allows me to fine-tune my speedometer according to my specific setup and tire size. This level of customization is invaluable; it means I can achieve an accurate speed reading that reflects the true performance of my vehicle. Many car owners often overlook the importance of an accurate speedometer, but I’ve learned that it can significantly impact driving experience and safety.
Moreover, the installation process is straightforward, which is a huge plus for me. I appreciate products that are user-friendly, especially when it comes to automotive parts. This gear set comes with a bullet and clamp, ensuring that everything I need for a successful installation is included. I can easily manage the setup without having to consult a mechanic, saving both time and money. This feature is particularly appealing to DIY enthusiasts like me who enjoy hands-on projects.
Another noteworthy aspect of the GM Turbo 350 gear set is its durability. Built to withstand the rigors of daily driving and even high-performance scenarios, I feel confident that this product will last. Investing in quality parts means I won’t have to worry about replacements or repairs for a long time, which ultimately saves me money in the long run. This durability is something I always look for when purchasing automotive components, and the GM Turbo 350 does not disappoint.
In addition to its practicality, there’s something incredibly satisfying about knowing that I have a well-calibrated speedometer. It enhances my overall driving experience, allowing me to enjoy my time on the road without the nagging doubt about whether my speed readings are accurate. I believe this product can transform how I engage with my vehicle, whether I’m cruising through the city or hitting the open road.
To summarize my thoughts, the GM Turbo 350 TH350 Automatic Transmission Speedometer Gear Set is an essential upgrade for anyone serious about their vehicle’s performance. Its customization options, ease of installation, durability, and the satisfaction of having an accurate speedometer make it a worthy investment. If you’re considering enhancing your vehicle’s transmission system, I genuinely recommend giving this product a shot. It could very well elevate your driving experience in ways you haven’t imagined.
Feature Benefit Customization (17-23 teeth) Achieve accurate speed readings based on tire size Included bullet and clamp Simplifies installation process for DIY enthusiasts Durability Long-lasting performance, reducing future costs Improved driving experience Enjoy a more confident and engaging driving experience
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Why Speedometer Gears for Turbo 350 Helped Me
When I first started working on my Turbo 350 transmission, I quickly realized how crucial the speedometer gears were for accurate readings. Initially, I struggled with my speedometer being off, which made it difficult to gauge my speed accurately while driving. After some research, I learned that the right speedometer gear could significantly improve my driving experience.
Installing the correct speedometer gears not only fixed my speedometer readings but also enhanced my overall driving experience. I felt more in control and confident knowing my speed was being accurately reported. It was a game-changer during long drives, especially when I needed to maintain safe speeds on the highway. Plus, having an accurate speedometer helps with fuel efficiency; I could better monitor my driving habits and make adjustments as needed.
In addition to the practical benefits, I found the process of selecting and installing the right speedometer gears quite rewarding. It gave me a sense of accomplishment to understand how these small components could have such a big impact on my vehicle’s performance. Overall, investing in the right speedometer gears for my Turbo 350 has made my driving experience safer, more enjoyable, and ultimately more satisfying.
Buying Guide for Speedometer Gears for Turbo 350
When I decided to upgrade my Turbo 350 transmission, I quickly realized how important it was to choose the right speedometer gears. The correct gears ensure accurate speed readings and help maintain the performance of my vehicle. Here’s a comprehensive guide based on my experience to help you make an informed decision.
Understanding Speedometer Gears
Speedometer gears are crucial for translating the rotation of the transmission output shaft into a readable speed on your dashboard. I learned that the Turbo 350 transmission uses a specific set of gears to match the vehicle’s final drive ratio and tire size. Understanding how these gears work was the first step in my buying process.
Identifying Your Needs
Before purchasing, I had to determine my vehicle’s specifications. I measured my tire size and noted the rear axle ratio. This information was essential in finding the right speedometer gear ratio. I found that accurately calculating these figures helped in selecting the appropriate gears to ensure my speedometer was accurate.
Types of Speedometer Gears
I discovered that there are different types of speedometer gears available for the Turbo 350. Generally, they come in various tooth counts, and each tooth count corresponds to a different speedometer ratio. I learned that the higher the tooth count, the slower the speedometer reads, and vice versa. Knowing this helped me narrow down my options.
Material and Durability
The material of the speedometer gears can significantly affect their performance and longevity. I found that gears made from high-quality plastic or nylon tend to offer better durability and resistance to wear. Investing in gears that are designed to withstand high temperatures and stress is crucial for long-term reliability.
Compatibility and Fitment
Compatibility is key when selecting speedometer gears for my Turbo 350. I researched to ensure that the gears I was considering would fit properly with my transmission. Checking compatibility with both the transmission and the speedometer was a step I didn’t overlook.
Installation Process
I realized that understanding the installation process was essential before making a purchase. Some gears are easier to install than others, and I wanted to avoid a complicated setup. I found that many resources are available, including instructional videos and forums, which greatly aided my understanding of the installation requirements.
Price Considerations
When I began my search, I found a wide range of prices for speedometer gears. I had to balance my budget with the quality and features of the gears. I learned that spending a bit more on a well-made gear could save me money in the long run by avoiding replacements and ensuring accurate readings.
Reviews and Feedback
Finally, I made sure to check reviews and feedback from other users. Hearing about their experiences helped me gauge the performance and reliability of different speedometer gears. I found that user reviews often highlight common issues and successes, which contributed to my decision-making process.
my journey in finding the right speedometer gears for my Turbo 350 taught me the importance of research and understanding my specific needs. By taking the time to assess my vehicle’s specifications, compatibility, material quality, and installation process, I was able to make an informed decision. I hope this guide helps you in your search as well!
Author Profile

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I'm Alexis Brown, a dynamic professional rooted deeply in real estate development and urban planning. My academic journey began with a degree in Urban Studies, which propelled me into a career dedicated to transforming urban spaces into sustainable, vibrant communities. Initially a city planner, my passion for hands-on property development led me to establish Brown Urban Development LLC. Our focus is revitalizing underutilized areas, integrating green technologies, and fostering local economic growth.
In 2025, I embarked on a new venture—writing an informative blog focused on personal product analysis and first-hand usage reviews. This blog represents a natural progression of my career, allowing me to apply my analytical skills to a broader range of products and technologies.
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