Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles

Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.

Additional Information

Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications.

Part Type

Differential Spool

Product Overview

Yukon Performance lightweight steel spool for 9" Ford with 31 spline axles. Spool uses 1.785" journal bearings. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• Fits Ford 9 in. w/31 Spline Axles
• Fits Ford 9" with 31 spline axles
• Lightweight design
• Not recommended for street driven vehicles
• Provides 100 Percent Traction To Both Wheels At All Times
• Provides 100% traction to both wheels at all times

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information