Well if I were a little less intimidated by changing the U-Joints, is this the correct 1310/7260 unit:
Moog Chassis Parts HMG319 - Moog U-Joints
Universal Joint, Detroit 7260 to Spicer 1310 Style Conversion, Steel, Greasable
Overview
Brand: Moog Chassis Parts
Manufacturer's Part Number: HMG319...