These cast aluminum elbows keep the flow tight and smooth! The incredibly tight radius of these Vibrant elbows offers a smooth flow path, making them perfect for many of your turbo applications that lack needed space, like intercooler or turbo compressors. Each elbow comes with a beaded inlet and outlet to allow for a more secure clamping and is offered in several o.d. sizes. If space is your problem, these cast aluminum tight radius elbows are your solution.