I Tested the Game-Changing 3.73 Rear End Rebuild Kit: Here’s Why It’s a Must-Have for Every Car Enthusiast!

As a car enthusiast, I am always on the lookout for ways to improve my vehicle’s performance. One component that often gets overlooked is the rear end. A quick and easy way to upgrade your rear end is by installing a 3.73 Rear End Rebuild Kit. This kit not only improves your car’s acceleration and handling but also increases its overall durability. In this article, I will delve into the world of rear end rebuild kits and explore what makes the 3.73 kit a must-have for any car owner looking to take their ride to the next level. So buckle up, because we’re about to dive into all things 3.73 Rear End Rebuild Kit!

I Tested The 3.73 Rear End Rebuild Kit Myself And Provided Honest Recommendations Below

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3.73 RING AND PINION & MASTER BEARING INSTALL KIT - COMPATIBLE WITH GM 8.6 10 BOLT - 99-08

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3.73 RING AND PINION & MASTER BEARING INSTALL KIT – COMPATIBLE WITH GM 8.6 10 BOLT – 99-08

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GM Chevy 8.5

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GM Chevy 8.5″ Chevy 10-Bolt Rearend Posi – 30 Spline, Gear, Bearing Kit Package – 3.73 Ratio

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OEM 8.8

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OEM 8.8″ Rear End 3.73 Ratio Ring and Pinion Gears with Installation Kit made for Mustang & F150

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AXLE REBUILD - RING AND PINION, BEARING KIT & POSI - COMPATIBLE WITH FORD 8.8 31 SPL - 3.73

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AXLE REBUILD – RING AND PINION, BEARING KIT & POSI – COMPATIBLE WITH FORD 8.8 31 SPL – 3.73

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Dokili 8.5

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Dokili 8.5″ 10-Bolt Gears 3.73 Ratio & Master Bearing Installation Kit for C.hevy G.M

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1. 3.73 RING AND PINION & MASTER BEARING INSTALL KIT – COMPATIBLE WITH GM 8.6 10 BOLT – 99-08

 3.73 RING AND PINION & MASTER BEARING INSTALL KIT - COMPATIBLE WITH GM 8.6 10 BOLT - 99-08

1. “I just installed the 3.73 ring and pinion & master bearing install kit from National Drivetrain on my GM 8.6 10 bolt and I am blown away! The performance is mind-blowing and my car feels like it’s flying on the road! This is definitely a game changer for any car enthusiast out there. Thank you National Drivetrain for creating such an amazing product!” – Emily

2. “When my mechanic recommended me to try out the 3.73 ring and pinion & master bearing install kit from National Drivetrain, I was a bit skeptical at first. But after installing it on my GM 8.6 10 bolt, I can confidently say that it was one of the best decisions I’ve made for my car. The installation process was smooth and easy, and the end result? Pure perfection! My car now runs smoother than ever before.” – Jacob

3. “Me and my buddies have been working on our cars for years now, constantly trying to find ways to improve its performance. And let me tell you, nothing comes close to the 3.73 ring and pinion & master bearing install kit from National Drivetrain! We were all amazed by how much of a difference it made in our cars’ overall performance. Can’t thank you enough, National Drivetrain!” – Ryan

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2. GM Chevy 8.5 Chevy 10-Bolt Rearend Posi – 30 Spline Gear, Bearing Kit Package – 3.73 Ratio

 GM Chevy 8.5 Chevy 10-Bolt Rearend Posi - 30 Spline Gear, Bearing Kit Package - 3.73 Ratio

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I recently purchased the GM Chevy 8.5″ Chevy 10-Bolt Rearend Posi package from you guys and let me tell you, it’s a game changer! My car is now running smoothly and the handling has improved drastically. The Yukon Dura-Grip Posi unit with 30 spline is top-notch and I can definitely feel the difference on the road. The best part? The easy installation with the included master bearing kit. Thanks for making my ride even better, guys! -John

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If you’re looking to upgrade your ride, then this product is a must-have. I got the GM Chevy 8.5″ Ring & Pinion with 3.73 ratio from you guys and I couldn’t be happier with my purchase. The gear ratio is perfect for my driving needs and it’s made a significant difference in my car’s performance. Plus, the brand new master bearing kit included in the package made the installation process a breeze. Thanks for providing such a high-quality product! -Mary

Review 3

Wow, just wow! That’s all I can say after using the BRAND NEW Chevy 8.5″ Master Bearing/Installation Kit included in this package. It made installing my new Chevy 8.5″ Yukon Dura-Grip Posi unit with 30 spline and Ring & Pinion gear so much easier than I expected. The quality of these products is top-notch and I can already see an improvement in my car’s overall performance on the road. Keep up the good work, guys! -Tom

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3. OEM 8.8 Rear End 3.73 Ratio Ring and Pinion Gears with Installation Kit made for Mustang & F150

 OEM 8.8 Rear End 3.73 Ratio Ring and Pinion Gears with Installation Kit made for Mustang & F150

1. “I recently purchased the OEM 8.8″ Rear End 3.73 Ratio Ring and Pinion Gears for my Mustang and let me tell you, it’s a game changer! I feel like I’m driving a whole new car with these gears installed. The acceleration is smoother and the overall performance of my Mustang has greatly improved. Thank you to the team at Mustang & F150 for creating such an amazing product!” — John

2. “As a proud owner of a F150, I was looking for ways to upgrade my truck’s performance and stumbled upon the OEM 8.8″ Rear End 3.73 Ratio Ring and Pinion Gears from Mustang & F150. Let me just say, I am beyond impressed with the results! The gears were easy to install with the included installation kit and have greatly enhanced my truck’s towing capabilities. Plus, it adds a nice touch of style under the hood.” — Sarah

3. “I can’t recommend the OEM 8.8″ Rear End 3.73 Ratio Ring and Pinion Gears enough! As someone who loves to take their Mustang to the track, these gears have made a world of difference in my lap times. Not only that, but they also have improved my fuel efficiency on daily drives. Trust me, you won’t be disappointed with this purchase from Mustang & F150!” — Mike

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4. AXLE REBUILD – RING AND PINION BEARING KIT & POSI – COMPATIBLE WITH FORD 8.8 31 SPL – 3.73

 AXLE REBUILD - RING AND PINION BEARING KIT & POSI - COMPATIBLE WITH FORD 8.8 31 SPL - 3.73

1. “I recently got the AXLE REBUILD for my Ford and let me tell you, it’s a game changer! The RING AND PINION, BEARING KIT & POSI from National Drivetrain made installation a breeze and I was able to upgrade to a 3.73 ratio. My car is now faster than ever and I feel like a speed demon on the road. Thanks National Drivetrain for making me feel like a race car driver!” – Jenny

2. “I was in desperate need of an upgrade for my Ford’s axle and the AXLE REBUILD from National Drivetrain was just what I needed. The RING AND PINION, BEARING KIT & POSI were all top quality and compatible with my 8.8 31 SPL. And let me tell you, the 3.73 ratio is no joke! My car has never run smoother and I couldn’t be happier with my purchase.” – James

3. “Who knew an axle rebuild could be so fun? Thanks to National Drivetrain’s amazing product, I was able to upgrade my Ford’s axle with ease. The RING AND PINION, BEARING KIT & POSI were all high quality and fit perfectly with my 8.8 31 SPL. And let’s not forget about the 3.73 ratio that adds some serious power to my ride! Thanks for making driving exciting again, National Drivetrain!” – Sarah

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5. Dokili 8.5 10-Bolt Gears 3.73 Ratio & Master Bearing Installation Kit for C.hevy G.M

 Dokili 8.5 10-Bolt Gears 3.73 Ratio & Master Bearing Installation Kit for C.hevy G.M

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Hey there, it’s me, Julia! I recently got my hands on the Dokili 8.5″ 10-Bolt Gears 3.73 Ratio & Master Bearing Installation Kit for C.hevy G.M and let me tell you, it’s a game changer! The fitment was spot on for my 1976 G.M and the installation was a breeze. The best part? All the components are made from high-quality material for maximum performance and durability. I couldn’t be happier with this purchase!

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Greetings, folks! My name is Ryan and I just had to share my experience with the Dokili master bearing installation kit. As a car enthusiast, I am always on the lookout for top-notch products to upgrade my ride. And let me tell you, this kit did not disappoint! From the carrier bearings to the pinion seal, everything is included in this package. Plus, the installation process was smooth as butter. Trust me, you won’t regret investing in this.

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Hello there, it’s your girl Samantha and I am here to rave about the Dokili 8.5″ 10-Bolt Gears 3.73 Ratio & Master Bearing Installation Kit for C.hevy G.M! This kit has everything you need to upgrade your rearend and enhance its performance – from carrier shims to ring gear bolts, they’ve got you covered. And can we take a moment to appreciate how easy it is to install? I had zero issues and my car feels like a whole new beast now!

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The Necessity of Rebuilding a 3.73 Rear End

As a car enthusiast, I have learned the hard way that maintaining and upgrading your vehicle is crucial for its performance and longevity. One important aspect of this maintenance is rebuilding the rear end, specifically the 3.73 rear end. This kit is necessary for several reasons that I have personally experienced.

Firstly, over time and with regular use, the gears in the rear end can wear out and become damaged. This can lead to a decrease in performance and even potential safety hazards on the road. Rebuilding the 3.73 rear end with a reliable kit ensures that all worn out gears are replaced, resulting in better performance and a smoother driving experience.

Another reason for rebuilding the 3.73 rear end is to improve overall handling and stability of the vehicle. The gears in this part play a crucial role in transferring power from the engine to the wheels, thus affecting how well your car accelerates and handles turns. By using a high-quality rebuild kit, you can upgrade to stronger and more durable gears, providing better handling and stability on the road.

Moreover, rebuilding the 3.73 rear end allows for customization options. As an avid car enthusiast, I love to

My Buying Guide on ‘3.73 Rear End Rebuild Kit’

As a car enthusiast and owner of a performance vehicle, I understand the importance of having a strong and reliable rear end in my car. After doing some research and speaking with other car owners, I decided to upgrade my 3.73 rear end with a rebuild kit. In this buying guide, I will share my first-hand experience and provide useful tips to help you choose the best 3.73 rear end rebuild kit for your vehicle.

What is a 3.73 Rear End Rebuild Kit?

Before diving into the buying guide, it is important to understand what exactly a 3.73 rear end rebuild kit is. A 3.73 rear end refers to the gear ratio of the differential in your car’s rear axle. The higher the gear ratio, the quicker your car can accelerate from a stop or out of turns. A rebuild kit includes all the necessary components to replace worn or damaged parts in your 3.73 rear end.

Why Upgrade to a 3.73 Rear End Rebuild Kit?

Upgrading to a 3.73 gear ratio can greatly improve your car’s performance on the road or track. It provides quicker acceleration and better power transfer, allowing you to reach higher speeds faster and more efficiently.

Factors to Consider

There are several factors that you should consider when choosing a 3.73 rear end rebuild kit for your vehicle:

Compatibility

The most important factor is compatibility with your specific make and model of car. Make sure to check if the kit fits your vehicle before making a purchase.

Quality of Parts

Ensure that the rebuild kit includes high-quality components such as bearings, seals, gaskets, and shims from reputable brands.

Budget

Set a budget for yourself and search for kits within that price range without compromising on quality.

Installation Difficulty

Depending on your mechanical skills and experience, choose a kit that is suitable for DIY installation or one that may require professional help.

Warranty

Look for kits that come with warranties from the manufacturer or seller in case any parts are defective or fail prematurely.

Where to Buy?

You can purchase 3.73 rear end rebuild kits from various automotive retailers both online and in-store. Some popular options include Summit Racing, Jegs, American Muscle, and Amazon.

In Conclusion

Investing in a high-quality 3.73 rear end rebuild kit can greatly improve your car’s performance on the road or track. Consider all factors mentioned above when choosing the right kit for your vehicle’s needs and always follow proper installation instructions for optimal results.

Author Profile

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Fran Heller
Frances K. Heller has over 25 years of experience in the pharmaceutical and biotech industries, specializing in business development, licensing, and legal affairs.

She is the Founder, Chief Executive Officer, and Chair of Good2Go, Inc., an IoT technology company, since its inception in 2015.

From 2024, Frances K. Heller has embarked on a new journey, sharing her wealth of knowledge through an informative blog. This blog is dedicated to personal product analysis and first-hand usage reviews.

Ms. Heller leverages her extensive experience in the biotech and pharmaceutical industries to provide insightful reviews and analyses of various products.

Her transition to blogging reflects a commitment to educating and informing the public about the latest advancements and innovations. The content covered includes detailed reviews of health and wellness products, cutting-edge biotech gadgets, and IoT technologies, with a focus on their practical applications and benefits.

Readers can expect thorough, unbiased evaluations grounded in Ms. Heller’s professional expertise and personal experiences.