Click this site http://bdpshop.com/94-97-power-stroke-bdp-dominator-66-turbo-d66.html for more information on Powerstroke Injectors. Bean's Diesel Efficiency D66 is the ORIGINAL real DIRECT bolt-on high performance turbo for the 94-97 OBS Power Stroke Injectors. This is a high performance stock replacement turbo. This upgrade will improve the air flow from the stock 750CFM to over 1050 CFM!