Spool , YP FSGM11.5-30 , ,&,11.5,30spl,AAM,AAM11.5-SPOOL-30,CHY,FULL,GM,SPOOL,YP,, Yukon spool for GM & Chrysler 11.5", 30 spline , GM & CHY 11.5 AAM FULL SPOOL, 30spl , Yukon spool for GM & Chrysler 11.5", 30 spline , 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 30 spline axles, Provides 100% traction to both wheels at all times, Not recommended for street driven vehicles, Yukon spool for GM & Chrysler 11.5", 30 spline , Differential Spool
