Product highlights for the Colder Spark Plug, Mustang (2005-2008) and F150 (2004-2007):

• Designed to fit:
  • 2005-2008 4.6L V8 ROUSH-Built Supercharged Mustangs (2008 MY fitment depends on head configuration/2009 re-uses factory Ford plugs)
  • 2004-2007 5.4L V8 ROUSH-Built Supercharged F-150s (2008 MY fitment depends on head configuration)
  • 2005-2008 4.6L V8 Mustang GT with ROUSH M90 or TVS R2300 Supercharger (2008 MY fitment depends on head configuration/2009 re-uses factory Ford plugs)
  • 2005-2007 5.4L V8 F-150 with the ROUSH M112 Supercharger (2008 MY fitment depends on head configuration)
• ROUSH Performance Colder Spark Plug
• Helps prevent pre-ignition and detonation of fuel due to high cylinder temperatures
• Operates on heat range colder than the stock Mustang plug
• Specifically designed to handle high boost pressure and air flow of ROUSHcharged, turbo charged, and other various supercharged engines
• Plugs come pre-gapped to 0.045"
• ROUSH Supercharged applications should be re-gapped to .032-.035"
• Each sold separately
• Unsure if this spark plug is for your application? Call us at 800-59-ROUSH!