Autolite Revolution HT Mustang Spark Plug - 05-07 GT

$6.00 (27%)
Part Number: 391 HT0
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Putting a power adder such as a supercharger or nitrous on your S197 Mustang? Then you need these colder heat range spark plugs to reduce the chance of detonation under power. These plugs are a direct replacement for the factory spark plugs.

Product Benefits
  • Colder heat range
  • Less change of detonation with power adders
  • Direct replacement

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Autolite

Installation Information:

Level of Difficulty: Easy
Install Time: About 1 Hour
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 2005, 2006, 2007
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