Measure them and take them to your FLAPS and check what they have for dished freeze plugs. That's essentially what they are. The slight dish shape allows them to expand in diameter after you install them by flattening them a bit with a hammer.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.