I have a pair of amm which are a very common replacement for GTR'S,particualy when running high boost as these read a higher voltage value,if used with power fc there is a option for these in setup.
Both work fine came off r34gtr
Was going to use on my car but i don't want to modify my arc air box.
1 is second hand
1 is new
both come with tomie plugs and wiring diagram to suit.
350.00 plus postage for all the bits as discribed above
stuart 0409135950