RTS OE, Spicer, 5-1410XP Non Greaseable Universal Joint, Life Plus Series, Spicer 1410 Style, 4 Plain Caps, 1.188 in. Cap Diameter, 4.187 in. Width,Spicer OEM quality service replacement U joints feature journal crosses that are manufactured from high quality alloy forgings and heat treated for maximum life. The bearing cups are case hardened for strength and durability. The seals are made from nitrile rubber for optimum grease retention and contaminant exclusion. All of this is why we can say that genuine Spicer parts meet the rigorous Dana standards that have made Spicer the global leader in