Vibrant Performance Oil Feed Flanges feature 6061 Aluminum construction and includes a pair of M8 x 1.25 button-head cap screws for easy installation. All flanges are tapped for 1/8 in. NPT Male Fittings. Maximum Operating Temperature is 400 Degree F. All Oil Feed Flanges come with 1/8in. NPT Female ports. For Garrett G40, G42, G45, GTX40, GTX42, GTX45, GT32, GT40, GT42, GT45, Generic T3, and Generic T4 applications select in-line center port. For Garrett GT47, GT50, and GT55 applications select offset center port.