1987 k30 manual transmission, transfer case, installed in a 1974 k20 .

[el morro nm]

Will a 1987 k30 rear drive shaft u joints fit a 1974 rear deferential output shaft

 

[nvrenuf]

If they are both pick ups and the same basic ride height, it should fit. If the K30 was a cab & chassis truck then you'll have to install everything and break out the tape measure.

 

[SquareRoot]

Will a 1987 k30 rear drive shaft u joints fit a 1974 rear deferential output shaft