fits model: Dana, 4wd, 4x4, Bronco. make: Ford.

( Brand: Sierra Axle And Gear ), ( Manufacturer Part Number: SA12177 )
The SA12177 Sierra Gear Front Dana Chromoly Axle Kit is an impressive upgrade for your Ford Bronco 4WD, model years 1971-1977 with a 0L 4x4 engine. This kit is not just an axle replacement, but a significant enhancement to your vehicle's performance and durability.
The kit includes two high-quality chromoly Dana 44 axle shafts, each measuring 35 splines and 35 inches in length. Chromoly, or chromium-molybdenum steel, is renowned for its strength and resistance to fatigue, making it an excellent choice for off-road applications. The axle shafts are designed to handle the torque and stress that off-road driving can put on your vehicle, ensuring a smooth and reliable performance.
The kit also includes new U-joints, which are crucial for connecting the axle shafts to the differential. The U-joints are precision-engineered to provide maximum flexibility and minimal wear, ensuring a smooth and quiet operation.
The Dana 44 front axle housing in this kit is also made of chromoly steel, providing exceptional strength and durability. It features a 4.5-inch diameter, 12-bolt design, which is widely recognized for its reliability and ability to handle heavy loads. The housing is also equipped with a rebuildable Detroit Locker, ensuring optimal traction and performance in all driving conditions.
Installing the SA12177 Sierra Gear Front Dana Chromoly Axle Kit is a straightforward process, thanks to the detailed installation instructions provided. The kit comes with all necessary hardware, including new brake rotors and calipers, to ensure a seamless installation.
In conclusion, the SA12177 Sierra Gear Front Dana Chromoly Axle Kit is more than just an axle upgrade. It's an investment in your Ford Bronco's performance and longevity, offering improved strength, durability, and off-road capability. Whether you're a weekend warrior or a dedicated off-road enthusiast, this kit is a must-have for any Ford Bronco 4WD owner.
Pros of buying a SA12177 Sierra Gear Front Dana Chromoly Axle Kit for Ford Bronco 4WD (71-77, 0L 4x4):1. Durability: The kit is made of high-strength chromoly steel, which is known for its strength and resistance to flexing, bending, and breaking. This material can handle the rigors of off-road driving more effectively than standard axle materials.
2. Improved Performance: Upgrading to this axle kit can enhance your Bronco's performance by providing better traction, improved handling, and increased load capacity.
3. Increased Longevity: Chromoly axles are generally more resistant to corrosion and wear, which can result in a longer lifespan for your vehicle's axle system.
4. Customizability: Chromoly axles can be customized to suit your specific needs, such as adding lockers, traction bars, or other off-road modifications.
Cons of buying a SA12177 Sierra Gear Front Dana Chromoly Axle Kit:1. Cost: Chromoly axle kits, like this one, can be more expensive than standard axle systems. You may need to allocate additional funds for the upgrade.
2. Installation Complexity: Installing the kit may require professional help or extensive mechanical knowledge, as it involves removing and replacing various components of your vehicle's drivetrain.
3. Potential Compatibility Issues: Ensure that the kit is compatible with your specific Ford Bronco model and year, as well as any modifications you've made to your vehicle.
In conclusion, while the SA12177 Sierra Gear Front Dana Chromoly Axle Kit for Ford Bronco 4WD (71-77, 0L 4x4) offers several benefits, such as improved durability, performance, and longevity, it also comes with potential drawbacks, like increased cost and installation complexity. If you frequently engage in off-road activities and want to enhance your Bronco's capabilities, the kit could be a worthwhile investment. However, consider your budget and mechanical skills before making a decision. It's always a good idea to consult with a professional or conduct thorough research to ensure the kit is the right choice for your specific needs.
Chromoly can be hardened to increase the strength And durability by changing molecular structure, making Axle shafts much stronger than factory oem Axles. Individual components are also available.
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Please at for a quote. Our hard-core And heavily built products will handle any abuse you can throw at them.
These are available in full sets both sides, And front kits include inner outer shafts new joints.
Expedited shipping is available upon request.