Pennzoil Z 7 Motor Oil Family Sedan Convertible Engine Clean 1956 Vtg Print Ad

Original 1956 Pennzoil print advertisement for Pennzoil with Z-7 motor oil distributed from Oil City, Pennsylvania.

"POWER FOR KEEPS"
"Pennzoil with Z-7 keeps engines clean"
"Sound your Z...get POWER FOR KEEPS"

See photos for measurements.

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