Zele Performance (Yokohama, Japan) releases FZ-ROM High Performance ECU for Nissan GT-R on 4th July 2008.
Two variants will be available and the details are as follows.

FZ-ROM Type I
Japanese MSRP: JPY 189,000
The type I upgrade modifies the air/fuel ratio, ignition timing and variable valve timing as well as a slight boost increase (0.1 kg/cm2 - 1.5 PSI).
The speed limiter is raised to 260 km/h.
It comes with a 20,000 km engine warranty. (* Warranty is valid within Japan.)

FZ-ROM Type II
Japanese MSRP: JPY 136,000
The type II performs all of the changes of the type I but completely removes the speed limiter and raises the rev limiter to 7,200 rpm.