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:1310 Yoke Width: 3.2190" MFG. Part #:5-7439X Cap Diameter A:1.062" Cap Diameter B:1.25" Width A:3.219" Width B:3.219" Sold in Quantity:Each Notes:1-1/16" x 3-7/32" by 1-1/8" x 3-7/32" High quality, heat treated forged steel replacement U-joints. Details 1-1/16" x 3-7/32" x 1-1/8" x 3-7/32" Features Includes "outside" retaining clips.