its the metal. right where it says zetec on the engine and where all the spark plugs are connected. the 2L zetecs dont have any of the plastic coverings like you see on most contours 
1995 Mercury Mystique LS
2L 16V Zetec Engine
Power everything
Leather interior
Mods:
Alpine CDA-7875 head unit
Alpine MRP-F200 75wx4 amp
MTX T6124A 12" subs (2)
MTX THUNDER4250D amp
Polk EX2550 5 1/4" componets in all doors
Enkei CDR9 16" rims
Pirelli P300 205/55/16
Window tint
Future mods:
SVT side skirts, SVT bumpers, Wings West Touring wing, Custom dual exhaust, moon roof, PIAA lights, CTA intake, superchip, custom paint job, turbo, nos, Dunnell injection management system, dunnell flywheel, dunnell ZRV camshafts, etc...
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