what thread size
Thread Starter
5th Gear Member
Joined: Dec 2005
Posts: 3,806
From: DFW
what thread size
hey guys, i was going and getting new plugs for my 351C 4v and i have lost my old autolite plugs!
i looked everywhere but they have gone to oblivion so i need help. do i need the 18mm or 14mm thread size?
i looked everywhere but they have gone to oblivion so i need help. do i need the 18mm or 14mm thread size?
3rd Gear Member
Joined: Sep 2006
Posts: 542
From: Sacramento, CA
RE: what thread size
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