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Old 07-11-2019, 01:56 PM
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60sstuff 60sstuff is offline
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Default Vintage “period” dated AC spark plugs.

I know ..... just wanted to share what some may not be aware of. LOL.

The style of the AC spark plugs used from 64-70 +/- had the 4 green rings, plus a “Star” tip as shown below.

The large AC box (holding the 8 individual boxed plugs) only has “AC” on the boxes.
Later in the early 70s the square GM logo was inked next to the AC on the boxes.

When your looking for vintage AC plugs this information will quickly let you know roughly what years they were manufactured.

The price is typically higher on the early version dated sets.

This holds true on “all early parts” from the AC on their boxes.

Chris.
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1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A).
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