Champion Spark Plug 1951 Ad – Indianapolis 500 Winners

Dimensions: approx. 8×11 inches

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Description

Dimensions: approx. 8×11 inches

This vintage advertisement, from a 1951 magazine, is for the Champion Spark Plug Company and shows 20 winners of the Indianapolis 550 mile race from 1921 to 1951 that used Champion for their spark plugs.