RTS OE, 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 automotive u-joint technology. Yoke U-Joint Series:1330 x 1350 Yoke Width: 3.625 MFG. Part #:5-648X Cap Diameter A:1.062" Cap Diameter B:1.188" Width A:3.625" Width B:3.625" Material Type:Steel Sold in Quantity:Each Notes:OEM 1330 shaft to 1350 u-joint. Typically used when1330 shaft is used with 1350 yoke