The Industrial Injection 366240711A Super PhatShaft 66 was designed to handle multiple fueling upgrades and work great for towing, street, and track use.This turbo put Industrial Injection on the map. It features a 66mm extended tip compressor wheel and a 71mm exhaust wheel. The exhaust housing has custom dual oversized passages and a wastegate spacer plate for maximum efficiency. Like all Phat Shaft turbochargers it is equipped with dual grooved bearings and an adjustable boost elbow. Supports 400-750HP.