Garrett gt3576 turbo.twin scroll,t04 based turbine,76 mm wheel,55mm inducer,ex ducer,2,85 outlet,part number 8-94390-6401 calls only leave message if no answer.turbo works great i was going to put it on my ctr but recently sold it to a guy in riverview. Im in ft myers possible trades for si wheels,99-00 si seats,lowering springs/struts coilovers,b series intake manifolds,headers etc.239-200-1779 brian it has provisions to be drilled for dual valve internal wastegate.this turbo supports lots of power and also uses a t4 flange