Quick Change Rear End UMP / USMTS Mod 4.86

Rear Axle Assembly – Centered Pinion – 10 in Ring Gear – 4.86 Ratio – 60 in Wide – Thermal Coated – Magnesium – Each *** PRO NOTES: WIN QUICKCHANGE WITH 2.5 GN SNOUTS & STEEL TUBES. WIDTH = 60 CENTERED. RING & PINION = 4.86. AXLES = 30.5 & 30.5 – SOLD SEPARATELY. OPTIONS = 5063-UMP-MOD…REAR END ASSEMBLY. 8131…MACHINED STEEL TUBES. 8133-10-6…SPRINT CENTER 6-BOLT. 8186P…6-RIB BELL. 8208…THERMAL COATING ***