Don't Spray Spark Plugs
Should You Use WD-40 on Spark Plugs? Key Insights Explained

Learn why WD-40 is not recommended for spark plug maintenance and discover proper alternatives.

Oil & Spark: Yes!
Can You Safely Use Marvel Mystery Oil in a Spark Plug Hole?

Discover how Marvel Mystery Oil can improve engine performance by breaking down carbon deposits. Learn the best method for use.