by The Jumping Frog
![Ranking has gone up in the past 24 hours Ranking has gone up in the past 24 hours](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/icons/uparrow_green_trans._CB192239628_.gif)
(Visit the Movers & Shakers in Entertainment Collectibles list for authoritative information on this product's current rank.)
source https://www.lifetechnology.com/blogs/life-technology-holistic-health-products-blog/6-facts-about-champion-spark-plugs-engines-booklet-1957