91048341-370 SPEEDWAY MOTORS Racing Member Spline Mini Spool

Review SPEEDWAY MOTORS Fits Ford Inch Racing 3rd Member Assembly 31 Spline Mini Spool 3.70 Ratio for FORD

Introducing the Speedway Motors 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70, an essential upgrade for your Ford vehicle's drivetrain. This performance-enhancing component is meticulously engineered to deliver improved traction, better handling, and enhanced power transfer.

The 3rd member is a crucial part of the differential assembly in your Ford. It houses the pinion gear, which connects to the driveshaft and transmits power to the wheels. This Speedway Motors Ford Racing 3rd member is specifically designed for 31-spline applications and is compatible with various Ford models, including those with 3.70 gears.

One of the most notable features of this 3rd member is the inclusion of a 31-spline mini spool. A mini spool is a solid axle design that helps eliminate power loss caused by differential action during cornering. It also enhances traction by minimizing wheel hop and improves handling by reducing torque steer. The 31-spline design ensures a strong and durable connection between the differential and the axles, making it suitable for high-performance applications.

This Speedway Motors Ford Racing 3rd member is also designed for ease of installation. It comes with all necessary hardware and detailed instructions to help you complete the installation process with confidence. The high-quality finish ensures a great appearance, making it a perfect addition to any Ford restoration project or performance build.

In summary, the Speedway Motors 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70 is an excellent choice for those seeking to enhance their Ford's drivetrain performance, improve traction and handling, and increase power transfer. With its robust design and easy installation, you can trust that this component will be a valuable investment for your Ford project.

Pros and Cons of Buying Speedway 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70

The Speedway 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70 is a popular aftermarket differential for Ford vehicles. In this analysis, we'll discuss the key advantages and disadvantages of purchasing this product, followed by an Recommendation.

1. Enhanced Traction: The mini spool design reduces power loss through the differential, resulting in improved traction and acceleration.

2. Durability: This differential is built with high-quality materials, ensuring long-lasting performance and resistance to wear and tear.

3. Customizability: The 31-spline design allows for easy upgrading to stronger ring and pinion sets, making it an ideal choice for high-performance applications.

4. Affordability: Compared to other aftermarket differentials, the Speedway 91048341-370 is relatively affordable, making it an attractive option for budget-conscious enthusiasts.

1. Installation Complexity: Installing this differential requires specialized tools and knowledge, which can be a challenge for some DIYers.

2. Noise: Some customers have reported increased noise levels after installing this differential, particularly during hard acceleration or when driving over rough surfaces.

3. Limited Compatibility: This differential is designed specifically for Ford applications, so it may not be compatible with other makes or models.

The Speedway 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70 offers numerous benefits for Ford enthusiasts, including enhanced traction, durability, and customizability. However, it also comes with some drawbacks, such as the complexity of installation and potential noise issues. Ultimately, the decision to purchase this differential depends on your specific needs, budget, and technical expertise.

If you're looking for a high-performance differential for your Ford vehicle that offers improved traction and durability, the Speedway 91048341-370 Ford Racing 3rd Member 31 Spline Mini Spool 3.70 is an excellent choice. However, be prepared for the challenges of installation and potential noise concerns. If you're unsure about your ability to install the differential yourself, consider seeking professional help to ensure proper installation and optimal performance.

Details:

Extra ribbing reinforces the case and rearmost pinion support pilot bearing. No problems at all. The pinion gear is connected to our new, forged steel Ford short, 1310-type yoke. With solid bearing spacers and the proper shims, we eliminate this problem make setting reload easy repeatable during installation, service gear changes.

Mini spools are a great option for restricted class racing and saving money. Of reared lube. But very happy with what I received. Since reload is already set, simply torque the pinion nut to 160 ft./lbs.

And you re good to go. Lock-style pinion nut with pre-applied lactate. Includes form fitted, reusable red poly storage case. The improvements continue with rugged billet steel adjuster nuts and heavy-duty keepers to ensure your ring gear settings are maintained.

Rear ends are hand-assembled by our trained technicians for an unbeatable combination of quality and value, features precision assembly the correct backlash, reload, proper amount pinion shims to ensure pattern on ring gear teeth, the nodular iron housing is stronger than oem gray has 4 lbs. Vito pinion seal, resistant to chemicals and high temperatures. Stronger due to its larger bearings, our Dayton pinion support also uses the spacer-and-shim setup maintain critical depth settings under high load, unlike traditional crush sleeves which often compress further, take out your reload and lead failure. Morose u-joint girdle - part number.

Using less than this amount will lead to immediate pinion failure. Tough, nodular iron section: our Ford 9 inch third member section carrier starts with a new casting over 4 lbs. Spacer and shim setup is maintains critical pinion depth settings easier to service than traditional crush sleeves. Large bearing Dayton pinion supports for strength and reliability.

Precision assembled for proper ring gear teeth pattern: getting a proper pattern on the ring gear teeth is crucial. Tapered steel roller bearings minimize friction, better handle thrust loads and increase load carrying capacity. An oil fill plug is included. Yes, I recommend this product.

A carrier-to-housing gasket is available separately. No other yoke size options are available. Our third-member units are shipped in a durable, reusable poly storage case, perfect for keeping multiple gear sets stored and ready the track. Headquarters.

We bring this combination of precision assembly and quality components to you at a price that can't be beat. New chorally cross pin. Units include a Vito pinion seal providing long lasting oil and chemical resistance. Our time-proven, step-by-step process ensures the correct backlash, reload, and proper amount of pinion shims to ensure pattern on ring gear teeth.

specifications differentialsdepo:

• for makes: Ford
• brand: Speedway Motors
• mpn: 91048341-370
• type: Differential Third Members
• item length: 18.00
• item width: 14.300
• california prop 65 warning: True

offer differentialsdepo:

• sold #: 20
• options: ship-to-home
• quantity: 1
• started: august 25, 2025
• availability: in stock

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies

returns differentialsdepo:

• time: 30 days
• paid by: seller
• policy: returns accepted

payments differentialsdepo:

• other
• wallet: google-pay
• credit card: visa

shipping differentialsdepo:

• service: ups ground
• type: fixed
• class: standard
• transit: 3-9 days
• carrier: ups

seller differentialsdepo:

• # reviews: 326090
• city: lincoln, nebraska
• rating: 99.2%