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Learning Center

How Do I Get Bosch Stickers?

Bosch stickers are available on our site... Read More

How Do I Order a Bosch Catalog?

Bosch catalogs may be available on this site... Read More

Engine Displacement Conversion Chart

Engine Displacement Conversion Chart Read More

Proper Gapping Instructions

Proper gapping instructions... Read More

Should I Gap My Plugs?

Yes. A spark plugs gap directly affects the tip temperature and the voltage necessary to fire the plug.... Read More

How Do I Find a Colder or Hotter Plug?

Each spark plug has a unique heat range. How can you find a plug that is a hotter or colder heat range?... Read More

How Can I Find a High Performance Equivalent to My Regular Plug?

The best way to find a high performance equivalent is by using the application search... Read More

What is the Proper Gap Setting for My Vehicle?

After completing an application search and selecting a spark plug, the “vehicle info” tab on the product detail page... Read More

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