Engine-type designation question

I'm looking through Mopar Performance parts catalogs, and rarely is the Magnum engeine referred to. The only class I can figure the 5.2/5.9 Magnums to be under is B/RB type engines.

Can anyone tell me for sure if I have a B-type or RB-type engine, or is it something different altogether?

Thanks

I think they are a variant of the "LA" class Tom (tomkopec) 14:15:48 4/30/99 (1)
Yes, I thought so as well, but still a variant. Check link inside. (Matt D) 16:18:08 4/30/99 (0)
Re: Engine-type designation question John Watkins (intenseblue) 13:34:05 4/30/99 (0)
Our engines are the 92-Present Magnums. That is the class.(nm) Jimmy Stuart (Jimmy) 11:15:45 4/30/99 (0)