Fan shroud sizes?

[81 OLY.FSJ]

Are there different fan shroud sizes for FSJ's? I picked up a used shroud for a cherokee (81' 258 c.i.), my rig is 81' wag. 360c.i. and it measures about three inches narrower (the cherokee shroud) than my radiator mounting bolts, what's up? The reason I didn't question the differences is BJ'S offers a shroud that covers 74' thru 91' all models. Thanks in advance for who ever replies, OLY

[81 OLY.FSJ]

Oly here, I answered my own question.I just noticed the V8 part of bj's ad for there shroud. Guess I'm back to square one ( my rig never had a shroud in the first place, so I didn't know by looking at the part at the yard)