Hot street and full race TURBOcharged duty only. Takes 7-10 business days to manufacture, after order is placed. Cam gears, and EMS a must. 0.484" valve lift/0.468" exh (266 deg intake at 0.050" lift/264 exh), adv. duration of 288 intake and 282 exh. Test have shown over 1003whp on hot drag setups.