VMS Racing RED OIL CAP LS1 5.7L in Billet Aluminum Compatible with Pontiac Trans Am Firebird WS6 98-02 1998-2002 Brand New / Never Used / Never Installed Made from ONE piece of High Quality Billet Aluminum T6061 (NOT seamed together out of various pieces like many others). Hard Anodized Process for a Longer Lasting Finish Oil Cap Includes High Quality Rubber O-Ring Gasket to Prevent Oil Leakage. Compatible Fitment with Pontiac Trans Am Firebird WS6 98 99 00 01 02 1998 1999 2000 2001 2002 LS1 5.7L V8 Engines