Driveshaft for 1974 duster. A904 to 8 1/4

Looking for a good driveshaft for a 74 Duster with a 360/A904(A999 actually) with a 8 1/4 rear end.

Should be approx. 49 inches u-joint to joint.

Transmission yoke not needed as I have one already.

I live in Utah, zip code is: 84015