What years?

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The LA's didn't have a roller cam from the factory. The MAGNUM 5.2 &5.9 had roller cams.
Nope. 89-93 LA had a roller. The Magnum was produced from 93-2003 as far as I know.
 
LA 318's had roller cams from '85-91. Flat tappet LA 318's were still made '85-'89 though, not sure what got what. '90-'91 was rollers only.
LA 360's had roller cams from '89-92

Info from this casting number list.
mopar casting numbers

I'd heard the 318 rollers started more like '86, and again they made both and I have no idea what the breakdown was like, car vs truck or whatever.
 
LA 318's had roller cams from '85-91. Flat tappet LA 318's were still made '85-'89 though, not sure what got what. '90-'91 was rollers only.
LA 360's had roller cams from '89-92

Info from this casting number list.
mopar casting numbers

I'd heard the 318 rollers started more like '86, and again they made both and I have no idea what the breakdown was like, car vs truck or whatever.
I stated on another thread, my 86' 5th ave had a roller cam. I bought it new.
 
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