Autotech offers a cure for your broken, rusty exhaust stud headaches; our own stainless steel exhaust studs! These make a great upgrade on any VW (perfect when changing your manifold/header). These very high quality studs are made from 303 stainless material. The threads are rolled, ensuring greater strength. M8x30.Our SS studs are designed to fit nearly every watercooled engine application, from 4 to 6 cylinders.