BD Diesel Billet Wheel & Waste Gate Combo Kit - 99.5-03 7.3L Ford w/ OEM TurboKeeps the wastegate valve closed longer for more bottom end response; Prevents waste gate "creep"; High temperature resistant Nomex diaphragm; Heavier spring; Turnbuckle for easy and precise boost pressure settings; Billet or Cast replacement compressor wheel for stock turbos; Higher flow; Billet Milled 9 bladed extended tip wheel design; Quicker Spooling; Eliminates Compressor Surging; Reduces EGTs; Improves Fuel Economy; Reduces Visible Emissions;