Yukon Gear & Axle (YSPCS-002) Crush Sleeve For Model 20, Ford 10.25", 10.5", 7.5", 8.8", 9 3/8", 9" & 9.75". .480" Long. Crush Sleeve for Model 20, Ford 10.25", 10.5", 7.5", 8.8", 9 3/8", 9" and 9.75" differentials