Specifications
- Brand
- Yukon Gear & Axle
- Part #
- YP FSF9-31
- UPC
- 883584320456
Yukon Gear Steel Spool For Ford 9in w/ 31 Spline Axles
$360.89
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Yukon Gear & Axle steel spool for Ford 9in with 31 spline axles. Converts diff to 100% lockup for off-road and drag racing.
Key Features
- Fits Ford 9-inch rears with 31-spline axles.
- Converts the differential to 100% lockup, sending power to both wheels simultaneously.
- Constructed from durable 8620 steel for increased strength.
- Heat-treated for added durability and performance.
- Designed for dedicated off-road and drag racing vehicles only.
- Not recommended for street-driven vehicles.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This Yukon Gear & Axle steel spool is designed to convert your Ford 9-inch differential to a 100% locked setup. It replaces your existing differential carrier assembly, making it a straightforward upgrade for dedicated off-road or drag racing applications. This spool ensures that both rear wheels receive 100% of the available traction at all times, which is crucial for maximizing grip in extreme conditions.
Constructed from high-quality 8620 steel, each spool is heat-treated to enhance its strength and durability. This robust build quality is essential for handling the stresses of performance driving. While it offers a significant advantage in traction, it's important to note that this type of 100% locked differential is not recommended for street-driven vehicles due to its impact on turning and tire wear. This spool fits Ford 9-inch rears with 31-spline axles and is a popular choice for those building specialized vehicles.
Specifications
- Brand
- Yukon Gear & Axle
- Manufacturer Part #
- YP FSF9-31
- UPC
- 883584320456
Frequently Asked Questions
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