SPEEDWAY MOTORS 91639512 Tube Axle Kit Spindles 4-BAR

( Brand: Speedway Motors ), ( Part Type: Tube Axle Spindle Motor ), ( Manufacturer Part Number: 91639512 ), ( California Prop 65 Warning: False )

Review SPEEDWAY MOTORS Model 4-bar Tube Axle Kit Chevy Spindles Chrome

Introducing the Speedway Motors 91639512 4-bar tube axle kit, designed specifically for Chevy spindles. This axle kit is an excellent upgrade for those seeking improved performance and durability for their hot rod or custom project.

The 4-bar tube axle design is a popular choice among enthusiasts, offering increased strength and rigidity over traditional beam axles. Each tube is manufactured from high-quality steel, ensuring a robust and reliable setup. The tubes are also smooth and polished, adding a touch of style to your vehicle.

This kit includes all the necessary components to assemble the axle, including four tubes, two axle housing ends, two center sections, two axle shafts, two CV joints, two brake drums, and the necessary hardware. The axle shafts are also fitted with CV joints, allowing for smooth and efficient power transfer to the wheels.

The brake drums are also included in this kit, ensuring a complete and functional braking system. These drums are machined to precise specifications to ensure proper fitment and operation with your Chevy spindles.

This axle kit is designed to be a direct replacement for OEM axles, making installation a straightforward process. However, it is essential to note that some modifications may be required to ensure proper clearance for suspension components or exhaust systems.

In summary, the Speedway Motors 91639512 4-bar tube axle kit is an excellent choice for those seeking improved performance and durability for their Chevy spindles. With its robust design, smooth operation, and easy installation, this axle kit is an essential upgrade for any hot rod or custom project.

Pros and Cons of Buying a Speedway 91639512 4-Bar Tube Axle Kit for Chevy Spindles

The Speedway 91639512 4-Bar Tube Axle Kit for Chevy Spindles is a popular aftermarket solution for upgrading the suspension system in classic Chevy trucks. This kit is known for its durability, adjustability, and improved performance. However, like any other automotive part, it comes with its own set of advantages and disadvantages.

1. Enhanced Performance: The 4-bar tube axle setup provides better control and handling, making the vehicle more responsive and agile, especially during high-speed maneuvers.

2. Increased Strength: The tube axle design is stronger than the stock live axle, reducing the risk of failure and providing better stability, particularly when towing heavy loads.

3. Adjustability: The kit offers various adjustment options, allowing users to fine-tune the suspension settings for their specific application, be it street driving or off-roading.

4. Improved Ride Quality: The new suspension setup provides a smoother ride, reducing harshness and vibrations, making the vehicle more comfortable for passengers.

5. Customization: The kit offers an opportunity for customization, enabling users to give their classic Chevy trucks a unique look and feel.

1. Cost: The Speedway 91639512 4-Bar Tube Axle Kit is a premium aftermarket product and comes with a higher price tag compared to stock axles or other aftermarket solutions.

2. Installation Complexity: The installation process can be time-consuming and requires a significant amount of expertise and skill, especially for those without prior suspension modification experience.

3. Increased Maintenance: The new tube axle setup may require more frequent maintenance due to its exposed nature and increased usage.

4. Compatibility: The kit may not be compatible with all Chevy models or applications, so it's essential to verify that it matches the specific vehicle before purchasing.

The Speedway 91639512 4-Bar Tube Axle Kit for Chevy Spindles offers several advantages, including enhanced performance, increased strength, adjustability, improved ride quality, and customization. However, it comes with a higher cost, installation complexity, increased maintenance requirements, and potential compatibility issues.

If you're looking for a premium suspension upgrade for your classic Chevy truck and are willing to invest in the time, money, and expertise required for installation, then the Speedway 91639512 4-Bar Tube Axle Kit is an excellent choice. It provides numerous benefits, making your Chevy truck a more responsive, stable, and comfortable vehicle for both on-road and off-road applications. However, if you're on a budget or not comfortable with the installation process, you may want to consider alternative aftermarket solutions or stick with the stock axle.

Details:

Urethane-bushed 21 long 4-bar assembly. 48 wide kingpin-to-kingpin steel tube axle, 3 drop. If using a Vega cross steering system, the pan hard bar becomes mandatory as any side-to-side movement will cause bump steer. Kit requires 1949-54 Chevy passenger car spindles.

Each kit includes a 48 wide, 3 drop tube axle, our famous urethane-bushed 21 long four bar assembly, perch bolts, lower shock mounts, spring shackles, Super Glide and the necessary brackets hardware needed for assembly. Spring and frame brackets are not stainless steel. Forged steel spring perch bolts.

All hardware for assembly. Spring shackles w/ nylon bushings. Four bar suspensions increase suspension travel over original wishbones or radius rods, which increases the need for side-to-side axle control. Forged steel lower shock mounts key-slotted design.

part #: 91639512 price

• $2276.99

specifications lowerlageen:

• for makes: Chevy
• brand: Speedway Motors
• part type: Tube Axle Spindle Motor
• manufacturer part number: 91639512
• california prop 65 warning: False

general lowerlageen:

• condition: New
• Auto Permance Parts > Chassis, Suspension Brakes > Lower Kits Parts

seller lowerlageen:

• city: Lincoln, Nebraska
• # reviews: 343623
• rating: 99.6%

returns lowerlageen:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping lowerlageen:

• type: Fixed
• class: Standard, Expedited
• service: Standard, Expedited
• transit: 7-7 Days
• cost: $0.00

payments lowerlageen:

• credit card: Visa
• other
• wallet: Apple-pay

offer lowerlageen:

• quantity: 1
• availability: In Stock
• sold: 0
• started: January 2, 2026
• options: Ship-to-home

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