Cast short aluminium elbow 102mm (4.0") mm elbow for small spaces 90° cast aluminum elbow 102mm (4.0") - small radius Small radius Ø102 mm aluminum bend BOOST products cast aluminum elbow with small radius Outlet diameter: 102mm (4.0") Neutral chamfer: 50mm radius This cast aluminum bend is perfect for limited space, such as in the engine compartment at the turbocharger compressor outlet or intercooler connections, throttle bodies, etc.... The cast aluminum bend has an extremely small radius and even has beads on both sides to allow hose mounting with silicone hoses. The bends have already been successfully tested in motorsports up to 3,5 bar boost pressure. Note: The cast aluminum bends may contain small burrs and casting residues. Please grind these away with a file before installation. The pictures with silicone hoses and clamps are for illustration only and are not part of the article!