74 duster-318 stuff

helping a buddy getting his 74 duster on the road. was a slant 6 car were putting a 318 in it out of a 84 diplomat hes missing a few parts. looking for a set of motor mounts for 318 for a 74 k frame, looking for a 4 barrel intake for 318, looking for a set of headers for power steering and we need alternator brackets ,power steering pump brackets and water pump and crank pulleys. any help would be great appreciated.