Ultimate Race Twins S475/PBK !!!!!

This kit is an S475 paired up with a monster of a turbo , the famous "PBK" , it is a custom built turbo that flows 177 lbs per minute, only the Garrett GT60 can best it and only barley, it features an over sized main shaft, and custom 360 deg thrust bearings for a long life I ran 9.87 @ 144 mph with this twin kit , thats almost 1200 hp at the rear wheels at 7000 ft elevation !!!!! . This is a custom order Kit call for more details !