you will need later model pullys that go with the alum wp

the early iron wp are shorter and have diff pullys

think the timeing marks are on the pass side of the t-cover as well and a later model wp will cover them when mix matched parts are used

any non a/c or a/c later model pullys should straighten it out

not sure about the ps pump and brackets or the alt brakets

they may need to be swaped to the later style also