Spacers are little metal round pieces that fit between the Rim and the wheel lugs or Rotor Cover, they come in various sizes 1/4" to 2" or more. They make the wheel stand out wider looking than the wheel actually is.
07 GT. PREMIUM SCT: CUSTOM TUNE by "MUSTANG SPECIALTIES". FULL MAGNAFLOW COMPITION EXHAUST, LT. HEADERS AND X PIPE, LMR: GEN2 2010 STYLE HEADLIGHTS, RAXIOM: 2010 SMOKED COYOTE TAIL LIGHTS, WHEELS: STAGGERED WHL 22X8.5F-22X10R MORE LISTED INSIDE.