In reading my Drift Tengoku mags and Option 2 mags that i get from japan alot, i see that theres a few company in japan that are making Trans cooler kits, in doing alittle looking into it, theyre running R154s trans as well (JZ bellhousing) is all that i can seem to tell is the difference, Any one think other then maybe having to use different lines that it somehow might not work, im thinking about getting one anyways and finding out.