These copper corrosive resistant nuts are the perfect combo for our upgraded exhaust studs. Anytime you change your headers, you should replace your exhaust nuts and studs. **PLEASE CHOOSE THE CORRECT SIZE** M7 - FITS M42, M44, M50, M52, S50, S52, M54, S54, N52, N54, N55 M8 - FITS M10, M20, M30, M60, M62, S62, S65
Save 10% with the kit ov