Z1 Turbo Inlet Bell for the Z1 stock Turbo.  Venchuri style design makes a smooth transition from a 2 1/2" diameter to the old sized 1 7/8" diameter turbo inlet.  Incorporates an internal O-ring and pinch clamp that fasten to the turbo inlet.  We see from 6-10 hp improvement.  Billet Aluminum.  Anodized Red.