2005-2007 Ford 3 Valve engine Applications Brisk Silver Racing 3VR10S spark plugs are colder than 3VR12S and are recommended for the most extreme 3v combinations.  Put these Silver Spark plugs in today and begin to get the most out of your Mustang!

**Price is per plug**

Modular Depot Recommends Brisk plugs when upgrading from stock.

These plugs are for heavily modified cars. 1000+ RWHP / Multiple power adders (supercharged/N2O)