just a thought... if at all possible, look for a P-n-P '95 banger 4.10 axle as a replacement. It will have the larger u-joints. The posilok can be swaped over. It will cost you more in parts to re-build the 307 axle than your current one.
'05 LJR, 6sp, RC long arm w/MC 6" coils, 5.13 D44's w/chromo shafts, MetalCloak fenders/sliders/body armor, 37x12.50 MTR's, Warn 9.5, RockHard swing out w/full spare. <><