Lots of people run this one and love it. Most of the FI turbo kits are mated to these
http://specialtyz.com/shop/default/s...4-and-v36.html
I personally run the Z1 full face and lite weight flywheel and have had no issues but I'm not reaching for 600whp. I'm probably more like 475-500 whp and 450ish wftlb