Jun 6, 2004 #1 O onebadv6 New Member Joined May 31, 2004 Messages 88 valve cover gaskit rubber or cork wich will not leek I have the gn1 heads and valve covers
Jun 7, 2004 #2 turbo nasty Turbo Dojo / MNTR Joined Jul 19, 2001 Messages 9,478 the felpro rubber/cork blend