1310, U/Jnt straps & bolts, 8.5" front, 12P & 12T GM.
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.
u-joint strap kit
Fits GM 12 bolt passenger car and truck and 8.5" front
1310 u-joint size
Includes two straps and four bolts