Vibrant Swivel Hose End Fitting, 150 Degree; Size: -10AN - 21510 82.5mm they are a 19 Hex

they are a 19 Hex thin-wall lug nut that fits in small bolt holes of most modern aftermarket wheels

90-91 Honda CRX Si 1

The COBB Intercooler Upper Hard-Pipe Kit comes a great looking powder coated finish and now fits on GSR

For this reason

Vibrant Swivel Hose End Fitting, 150 Degree; Size: -10AN - 21510 82.5mm they are a 19 HexVibrant Performance Swivel Style Hose End Fittings deliver the type of quality, reliability, smooth flow and ease of assembly that industry professionals demand. Made from 6061 Aluminum Alloy, these lightweight fittings are suitable for use in oil, fuel, coolant and vacuum applications and feature double PTFE O Ring seals for leak free service when installed properly. Our signature Double Anodized and Polished finish delivers remarkable color