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What do you know about Sterling Spark plugs?
Posted: Wed Nov 05, 2025 7:54 am
by 1925 Touring
What do you know about Sterling Spark plugs? I picked a set of eight up, still in the box and they are in very nice shape. They look a lot like a straight side Champion x. They are marked 1/2 inch for fords. From what little research I've done, I can't find much about them. Other than the fact that they're antiques spark plugs, which is kind of a given...
Re: What do you know about Sterling Spark plugs?
Posted: Wed Nov 05, 2025 6:30 pm
by Allan
A V8 model T Austin? What you have is TWO sets of four!

Nice find.
Allan from down under.
Re: What do you know about Sterling Spark plugs?
Posted: Wed Nov 05, 2025 6:47 pm
by DanTreace
Some adv from FordOwner mag, 1918, compliments of Google Books search.
Re: What do you know about Sterling Spark plugs?
Posted: Thu Nov 06, 2025 9:03 am
by TMiller6
I was curious and looked up Jackson’s auto history. Through 1954, Jackson hosted 24 or 25 auto makers including Buick. When an auto maker would stop production, machinists stayed employed by making parts such as your spark plugs.
Jackson’s final auto offering? The Kaiser Darrin.
Re: What do you know about Sterling Spark plugs?
Posted: Fri Nov 07, 2025 10:44 am
by KWTownsend
IIRC, the extended length of the threaded part would indicate they were intended for the post 1916 "high" head.
I would not hesitate to use them. If nothing else, they are a conversation piece.
Keith
Re: What do you know about Sterling Spark plugs?
Posted: Fri Nov 07, 2025 11:01 am
by Scott_Conger
For functional purposes, they should be fine
But after surviving for 100 years as brand new parts, there are cheaper alternatives to making a "T" run, while still preserving the plugs for display to future generations. If they are in fact put into service, I'd say the best bet would be to quickly throw away the boxes so as to destroy the evidence of their existence.
I have a small coin collection with some pretty spectacular condition 100 year old coins...every single one of them is perfect for making change, but why would I want to?
Re: What do you know about Sterling Spark plugs?
Posted: Sat Nov 08, 2025 9:10 pm
by 1925 Touring
Thank you everyone. Thank you Mr. Treace for the literature. I found very minimal information with the brief research I have done on these spark plugs. Frankly, very little information on any Sterling spark plugs for that matter. I do not plan on using them right now, they are a neat piece and I would like to find some way to display them, along with all my other Model T 'junk' I keep acquiring.
