Our clients cool GS300 Sport Design with Big Single Turbo Kit + Haltech ECU + R154 transmission previously made over 600HP and now he wants more! Taking it to another level, we put together a bomb proof bottom end assembled by our go to guys at Total Engine Concepts. The head was worked as well by Porting Solutions and now its going to breath like no other! VVTI baby! Contact us to take your 2JZGTE powered ride to the next level.