6 NOS Chevrolet Exhaust Valves Gr. 0.297 Part # 3821810. The box has written on it "29 - 36 Chev"

The valves have 4 keeper slots. They are 4.5" tall. It does not appear that any of the valve sticks to a magnet. The head is near 1 3/16" in diameter, perhaps 1.238" if I read my micrometer correctly. 11/32" is the stem diameter based on my drill bit index.

Two sets available. Priced low, at $5.00 each, because the identification is up to you.
 


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