The Edelbrock High-Flow EFI Intake Elbow #3815 is intended for very high-power naturally aspirated EFI applications and turbocharged or centrifugal-supercharged engines making over 1,100 horsepower. This casting is CNC-machined to a 120mm opening and has Product Features:Satin FinishAluminum Material8.86 in. Overall HeightHigh Flow Type6 in. Bore Centerline Height