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Mustang Emissions Decals

The Mustang Emissions Decal Sticker gives you all sorts of needed information. For starters, it outlines your Mustang Vacuum Hose Routing. The Emissions Decal also gives you your Mustang Firing Order as well as Mustang Spark Plug Gap. Also, if applicable, it outlines how to check Mustang Ignition Timing as well as let you know what Viscosity of Engine Oil to use.