Eco hubs are designed to remove the 2:1 gear reduction hub, which will give you high gear ratio and provide higher road speed.
Complete 4x4 Set Includes:
-4 bolt adapter drive plates
-4 splined...
Front & Rear Axle Yoke For LMTV/MTV/FMTV
Item #20 in diagrams
 Alternate part #'s: A3260G111, A-3260-G-111, 16N46281X, 16NYS3232A, 16NYS32-32A, 2520-01-472-7220, 01-472-7220, 2520014727220,...