most of the large "v-block" engines are essentially two of their smaller inlines mated together, forming a "V". this is done for packaging reasons.
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1996 single cab 2500, nv4500, 4x4, #100 plate, BHAF, strait piped, third gens w/michelins
1998 ext. cab, long box, 4x4,12v, south bend FE, #100 plate, twins, 6" stacks, 325 toyo MT's, leveling spacers