I need new battery cables for my 340 cuda. I can get chrysler PN 2983649 from Mancini but its says its a Positive battery cable for a B-RB engine.

What's the difference between a B-RB engine positive battery cable and a SB positive battery cable. Wouldn't they be the same length and look similar? Im not concerned about being exact here.

Also, they sell PN 2983778 for the negative batery cable. I assume that is for all engines.