Buying a ford 9 inch posi seems like an easy job, but not everytime. There are hundreds of ford 9 inch posi available from different manufacturers in the market which are sufficient to make you puzzled. They are so similar in terms of performance, quality, longevity, and overall user experience that choosing a final buying decision may be tough. On that occasion, a proper buying guide can assist you to choose the best suitable ford 9 inch posi for you before you click on the ‘Buy’ button.
In this helpful essay, we’ll go over a few key points to think about before purchasing a ford 9 inch posi. You may think of it as a proper evaluation guideline for you, as it will cover the upsides and downsides of your desired product, as well as its sustainability, affordability, functionalities, and practical advantages. There will also be a solid comparison of a few related products. As a result, you’ll be able to quickly select the best option for your needs. Let’s look inside.

Comparison Chart Of Ford 9 Inch Posi
# | Image | Title | Rating | Price |
---|---|---|---|---|
1 | ![]() | Trac-Lock Posi Unit for Ford 9″ – 31 Spline – 9 Inch | 4.86 | Buy on Amazon |
2 | ![]() | Trac-Lock Posi Unit for Ford 9″ – 28 Spline – 9 Inch | 4.86 | Buy on Amazon |
3 | ![]() | 9″ Ford Center Section/Third Member – Assembled – Trac Loc Differential – 28 Spline (3.50) | 4.86 | Buy on Amazon |
4 | ![]() | Assembled Center Section for Ford 9″ 31 Spline Trac Lok Posi Third Member Differential (3.50) | 4.86 | Buy on Amazon |
5 | ![]() | SOUTHWEST SPEED 603-2079, COMPLETE 9″ 3RD MEMBER W/POSI TRAC-LOC, 31 SPLINE, GEAR SET, 3.89, CHUNK, PUMPKIN, COMPATIBLE WITH FORD REAR END | 4.65 | Buy on Amazon |
6 | ![]() | Trac-Lock Posi 31 Spline – Gear – Bearing Kit Package for Ford 9″ – 3.50 Ratio – 9 Inch NEW | 4.86 | Buy on Amazon |
7 | ![]() | Trac-Lock Posi 28 Spline – Gear – Bearing Kit Package for Ford 9″ – 3.50 Ratio – 9 Inch NEW | 4.86 | Buy on Amazon |
8 | ![]() | Center Section/Third Member for Ford 9″ – Assembled – Eaton Truetrac Differential – 31 Spline (3.25) | 4.86 | Buy on Amazon |
9 | ![]() | Trac-Lock Posi 31 Spline – Gear – Bearing Kit Package for Ford 9″ – 3.70 Ratio – 9 Inch NEW | 4.86 | Buy on Amazon |
10 | ![]() | Trac-Lock Posi 28 Spline – Gear – Bearing Kit Package for Ford 9″ – 3.70 Ratio – 9 Inch NEW | 4.86 | Buy on Amazon |
Best Ford 9 Inch Posi Reviews
In this section we do a short review of top 10 ford 9 inch posi, without further ado let’s jump into review.
1. Trac-Lock Posi Unit for Ford 9″ –

- Billet Steel Case, Billet Steel Hat, Forged Internals, Raybestos Clutches
- 4 Pinion Design
- 100% Re-Buildable
- Clutch-Type Posi Unit
2. Trac-Lock Posi Unit for Ford 9″ –

- Billet Steel Case, Billet Steel Hat, Forged Internals, Raybestos Clutches
- 4 Pinion Design
- 100% Re-Buildable
- Clutch-Type Posi Unit
3. 9″ Ford Center Section/Third Member – Assembled

- Fully Assembled 9″ Ford Center Section / Third Member, Ready to Bolt in
- Complete 9″ Center Section assembled with a Stock Case, Standard Pinion Support, New 28 Spline Trac-Lock Posi, New Motive Performance Gears, & New Timken USA Bearings.
4. Assembled Center Section for Ford 9″ 31

- Fully Assembled 9″ Ford Center Section / Third Member
- Complete 9″ Center Section assembled with a New Yukon Nodular Iron Case, New Aluminum Daytona Pinion Support, New 31 Spline Trac-Lock Posi, New Motive Performance Gears, & New Timken USA Bearings.
- Includes New 1350 Billet Yoke & New U-Bolts
5. SOUTHWEST SPEED 603-2079, COMPLETE 9″ 3RD MEMBER

- Professionally set up with proper lash
- Pinion is precision matched to ring gear
- Pinion yoke is 1310 series “short” yoke; Accepts 1310 series u-joints, which have 1 1/16″ outside diameter cups and measure 3 7/32″ wide to the outside of the cups.
- Shipped in heavy cardboard box with foam to prevent any damage in shipping
- **Due to the nature of high performance ring & pinions, some gear noise is a possibility with these 3rd members**
6. Trac-Lock Posi 31 Spline – Gear –

- BRAND NEW Ford 9″ Yukon Dura-Grip (Clutch) Posi Unit (31 Spline)
- BRAND NEW Ford 9″ Ring & Pinion (3.50 Ratio)
- BRAND NEW Ford 9″ Master Bearing/Installation Kit – Timken USA
7. Trac-Lock Posi 28 Spline – Gear –

- BRAND NEW Ford 9″ Yukon Dura-Grip (Clutch) Posi Unit (28 Spline)
- BRAND NEW Ford 9″ Ring & Pinion (3.50 Ratio)
- BRAND NEW Ford 9″ Master Bearing/Installation Kit – Timken USA
8. Center Section/Third Member for Ford 9″ –

- Fully Assembled 9″ Ford Center Section / Third Member, Ready to Bolt in
- Complete 9″ Center Section assembled with a Stock Case, Standard Pinion Support, New 31 Spline Eaton Truetrac Posi, New Motive Performance Gears, & New Timken USA Bearings.
9. Trac-Lock Posi 31 Spline – Gear –

- BRAND NEW Ford 9″ Yukon Dura-Grip (Clutch) Posi Unit (31 Spline)
- BRAND NEW Ford 9″ Ring & Pinion (3.70 Ratio)
- BRAND NEW Ford 9″ Master Bearing/Installation Kit – Timken USA
10. Trac-Lock Posi 28 Spline – Gear –

- BRAND NEW Ford 9″ Yukon Dura-Grip (Clutch) Posi Unit (28 Spline)
- BRAND NEW Ford 9″ Ring & Pinion (3.70 Ratio)
- BRAND NEW Ford 9″ Master Bearing/Installation Kit – Timken USA
Best Ford 9 Inch Posi Buying Guides
It is impossible to ascertain everything about anything as a human being. You can not be a master in all trade. In that scenario, reading a thorough buying guide can spare us from making a costly mistake after purchasing a ford 9 inch posi due to a lack of knowledge.
You should not have to be a master on that single product to buy it. Focus on the below points only than you don’t need to know all. Considering those simple things might make your shopping smooth and easy. Let’s begin.
Realize your requirements
Knowing your needs or requirement is the very first thing to discover. And if you’re not well aware of your demands, there is a high possibility that you will buy the wrong products at the wrong time and waste a considerable amount of money. So, first and foremost, we recommend that you carefully consider your requirements for a ford 9 inch posi. To easy your task just make a short list of your needs. This simple task will lead you to simplify your purchasing process. Then you easily understand what you should give priority and what not.
Budget vs. Cost
Budget is one of the most important issue to think about before you decide to buy anything. The product can be asked any amount of price that you are trying to purchase. That depends on different expences like raw material purchasing, manufacturing, transportation, operational costs and their brand value playes a huge role there. You need to be prepared to spent the higher amount of money if you demand for the higher quality in your product. It’s vice versa. This fact is true for the ford 9 inch posi as well.
“Cut your coat, according to your cloth”- one of the most popular proverb goes in our society. First thing you can do is finding out products on internet as per your wishlist. Look carefully their features and prices. Compare them well and choose the best one. Now make a question inward your mind that you are really financially capable enough to purchase that specific ford 9 inch posi or not? Don’t think twice and go for it if your answer is yes. If your pocket refuges to do so, then think about the second best option that you got.
Choose the Right Brand
It seems that most of the time we get biased on some specifice products of specific brands. But not everytime this practice results get good. However, there’s no denying that depending on well-known brands is a good idea. When you have enough money in your pocket you can easily make yoiur decesion. But don’t rely blindly because not every brand makes everything best. So you have to be very carefull when you are choosing any product if it is the right product from right brand.
There are two kinds of people. One is fully dependent on a specific brand, while the other is unconcerned. All he requires is the proper product for the price he is paying. As we don’t have any idea about your typo.However, there are a few pointers that may be useful to both of you when it comes to selecting the best brand for the best product.
- Just keep one thing in mind try to know well about the brand.
- What people are saying about this brand.
- What is the average rating of that brand’s specific product?
- Compare and contrast the features with those offered by competitors.
- Do those features meet your demands?
Take a look at the section on Features.
You should check the features of a ford 9 inch posi first while purchasing it, no matter it is from online or offline. If you want a clear idea about the product, then this is the best way. It will make you understand, that product does match with your requirements or not.
This part will help you to identify the differences with others. You can then use the features to compare it to similar products. If you do so, it will be much easier to reach to the final decision because you will be able to understand about the quality here.
Check the Advantages and Risks
Every product has its own advantages and disadvantages. Before we buy them, we must check them out carefully. So, stay cool, and find out the drawbacks which you demanded from that ford 9 inch posi. Who knows, you may find your perfect product which is made by another company. Just don’t be too lazy to exchange notes with them before making your ultimate decision.
The section of Pros and Cons can be found on the majority of websites. Carefully go through that part. If you have any further questions, you can contact them via email or phone.
Quality & Durability
Quality indicates the color, style, performance, materials and the most important thing which is durability. Before you buy anything, you must check those quality related issues carefully. When you make this your own, you will demand the quality first. Do you think this ford 9 inch posi deserves the inevestment that you want to do for it? Quality will say everything.
Warranties and Return Policies
Thousands of manufacturers are producing products. Many of them ensures the higher quality as well. To make us known about those products, they make also creative advertisements. Nothing found wrong yet. But one thing remains yet to think about and that is After Sales Service. As a matter of fact, this little thing can make big difference.
Warranty, gurantee and return policies are so vital that not checking them will be a great mistake. No matter how quality the product is claimed, nobody can say that nothing will happen. Nothing is guaranteed to last forever. Still a minimum return of value you deserve from the ford 9 inch posi you will pay for. Therefore, you should always be careful about checking policies. Sometimes, you may find some policies which looks mystical and not clear enough through their written words. In that case, never feel hesitate to ask their representative all the unintelligible issues and make the whole thing clear.
Checking the FAQ and Customer Reviews simplifies the process.
Checking FAQ answers and customer reviews can save your time enormously. There comes some questons in our mind which are similar with the people asked before frequently, that is called FAQ or Frequently Asked Questions. On the other hand, customer reviews are the short stories of the people who got experience of the products that you are looking for.
By cheking out those two things, you can get a clear idea of both. You will surely get such answers which you may not even think to ask before. The worthyness of buying that ford 9 inch posi will be more clear to your eyes then.
How To Use A Ford 9 Inch Posi
There is no one-size-fits-all answer to this question, as the best way to use a Ford 9 inch posi will vary depending on the specific vehicle and application. However, some tips on how to get the most out of a Ford 9 inch posi include ensuring that the vehicle has the correct gear ratio for the application, as well as ensuring that the axles are properly lubricated and the differential is properly set up.
Final Thought
So the last word is never make mistake to consider the value you are getting from the ford 9 inch posi is fair enough against the price you are paying for it. Is it worhty enough to pay so? Do your demands be fullfilled with that? That is the matter of great importance we guess.
Hope this article will come handy for you to recognize and purchase the best ford 9 inch posi in the market. Nobody can feel happier than us if this article come useful to you. At the end of the day, if you are satisfied, then we will be happy.