Possible Clues:

• High-performance wheels
• S.I. and O, e.g.
• ''Time'' and ''Money'', for short
• Introductions to missiles and guns sold in periodicals
• GQ and EW, e.g
• GQ and Cosmo
• Publications in checkout aisles, for short
• They have issues, in brief
• Waiting room fare, in brief
• New York, Chicago and Los Angeles, in brief