Made from high quality stainless steel finished with a fine grit glass bead blast

4828) Stainless Steel and hand polished to a mirror finish as our complete systems

especially of POLYLUB GLY 801 and 501

82111496444 (BMW Part Number)

Widely known as being original equipment for M3 GT and M3 Lightweight

Vortech Supercharger Pulley Retainer Gurney Flap Made from high quality stainlessAn anodized aluminum replacement to a steel problem. Made from 6061 aluminum and silver anodized. This is a direct replacement to the Vortech steel retainer that often (and quickly) corrode or rust when the zinc coating breaks down. Also added to the design is a centering extrusion so the retainer fits squarely into the pulley. Please note that this extrusion recesses 2. 35mm into the supercharger pulley. If the supercharger shaft is not lower than