76 4x4 Dodge? Info?

the heads will have the ports under the manifolds that is for the air injection, the manifolds should cover this

it likely won't have an A.I.R pump on it from factory but you never know with USA emissions canadian models don't have it until later on

factory they came with or without locking hubs, but in 1976 it should still have the hubs sticking out past the wheel

1979 was the first year that had no hubs and no spot for them they had the vacuum pod on the passengers side of the differential