Thread: Strange hole in firewall.
View Single Post
Old 11-07-2011, 09:22 PM   #11
cleszkie
Registered User
 
cleszkie's Avatar
 
Join Date: Feb 2003
Location: Santa Ana, CA
Posts: 2,191
Re: Strange hole in firewall.
That is the rarely optioned spark plug inspection port.
cleszkie is offline   Reply With Quote