the injector clips should be the same, but you also need the l67 rail and injectors, if your junk yard hunting just take it all.

if your looking for jy heads, id at least lap the valves, and change the springs and valve seals. if your planning on rockers or a cam with it, springs need to happen anyways.

then as long as you got em in hand, you can always port them or at least clean them up. inside the ports is so rough. any smooting will help it flow better.

stock casting in the exhaust port they all look like this.



with some time invested you can make em pretty.