15-60 DOD/JEP/GM/FRD

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.

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

Yukon steel spool for Dana 60 with 40 spline axles, 4.56 & up

Yukon Gear Steel Spool For Dana 60 w/ 40 Spline Axles / 4.56+

Yukon steel spool for Dana 60 with 40 spline axles; 4.56/up

Provides 100 Percent Traction To Both Wheels At All Times

Provides 100% traction to both wheels at all times

Fits Chrysler Dana Spicer 60 with 40 spline axles

Fits Chrysler Dana Spicer 60 w/40 Spline Axles

Not recommended for street driven vehicles

4.56 and up ratio only

15-60 DOD/JEP/GM/FRD

Differential Spool

YP FSD60-4-40

Spool