Yukon Gear American Motors Hummer Jeep (4WD/RWD) Differential Spool

YPFSM20-3-29

Spool YP FSM20-3-29 ,&,29spl,3.08,AMC,M20,M20-SPOOL-YG,SPOOL,UP,YP, Yukon steel spool for Model 20 with 29 spline axles, 3.08 and up Yukon Performance spool for Model 20 with 29 spline axles. fits 3.08 and 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. M20 3.08 and UP 29spl SPOOL 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 AMC Model 20 3.08 and up ratio only Provides 100% traction to both wheels at all times Not recommended for street driven vehicles