Coil Conversion Kit (Green) "1JZ, 2JZ to R35 GTR" [Coil Type: Hitachi]. Then look no further, the R35 GTR coils can support 250hp+ per coil, that's 1500hp+ capable!

(Suits VVTi and Non VVTi motors). (Hitachi make the coils for Nissan, they are identical, just not in a Nissan box).