Chevrolet, Dodge, Ford, GMC... (4 X 2/4 X 4/4WD/RWD) Differential Spool - Rear - Yukon Gear and Axle - YP FSD80-4-37

Spool
YP FSD80-4-37
,&,37spl,4.10,80D-SPL37,D80,D80-SPOOL-37,DANA80SPOOL,SPOOL,STEEL,UP,YP,
15-88 DOD/GM/FRD
Yukon steel spool for Dana 80 with 37 spline axles, 4.10 & up
Yukon Performance steel spool for 8Dana 80 with 37 spline axles, 4.10 & up. 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.
D80 37spl STEEL SPOOL, 4.10 & UP
Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications.
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 80 with 37 spline axles
4.10 and up ratio only
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles