The Edelbrock 3847 Elbow can be used in square bore (4150 style) manifold applications. It can be mounted forward, backward, or sideways on our Victor EFI square bore (4150) style manifolds, when fuel rail or waterneck clearance permits. Because of its lo Product Features:Black Powder Coated FinishAluminum Material3.62 in. Overall HeightUltra Low Profile Type0.56 in. Bore Centerline Height