yes you can clock the turbo the vender i got mine from is this one http://cgi.ebay.com/ebaymotors/GT45-V-BAND-TURBO-CHARGER-A-R-1-05-MAZDA-MIATA-RX7-RX8_W0QQitemZ320460302631QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item4a9cec2927
i think they are all the same but they do have the different a/r's mine is the 1.05 to but i got this one cause the shipping was free lol