Chevrolet, Dodge, GMC, Ram... (4WD/RWD) Differential Spool - Rear - Yukon Gear and Axle - YP FSGM11.5-38

Spool
YP FSGM11.5-38
In order to use this spool, the factory spindles will need to be bored out to accept the 38 spline axles.
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16-01 RAM/DOD/GM
Yukon spool for GM & Chrysler 11.5", 38 spline
GM & CHY 11.5 AAM FULL SPOOL, 38spl
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 and GM 11.5" with 38 spline axles
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles