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Yukon Gear Steel Spool For Ford 9in w/ 40 Spline Axles
$504.89
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.
Installation Instructions
Part Number: YP FSF9-40
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