Yukon Gear Yukon steel spool for Dana 44 with 30 spline axles 3.92/up - YP FSD44-4-30UP

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.

• Fits Chrysler Dana Spicer 44 w/30 Spline Axles
• Provides 100% Traction To Both Wheels At All Times
• 3.92 And Down Ratio Only
• Not Recommended For Street Driven Vehicles