ARAC4006 AR310433 Diff Case SetThis Diff Case Set provides parts to replace your kit items. Features Tough composite Diff Case for long lasting performance in all conditions Precision manufactured Metal Cross Shafts Inserts for increased durability under extreme loads High quality screw threads for consistent servicing Specially molded in steel Diff Case Insert for increased strength and durability Includes 1 x Diff Case with Steel Insert 4 x Steel Cross Shaft Insert 1 x Diff