American Specialty Cars

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American Specialty Cars (commonly known as ASC) is an automobile supplier of highly engineered and designed roof systems, body systems and other specialty-vehicle systems for the world’s automakers. The company is headquartered in Warren, Michigan, in the United States and was one of several coach convertible builders.


The company was founded by Heinz Prechter in Los Angeles, California as the American Sunroof Company in 1965.[citation needed] The company soon expanded its operations into Detroit by 1967. The company first supplied OEM services for the Ford Motor Company's 1968 Mercury Cougar XR-7.[citation needed]


ASC invented the glass-panel "moonroof".[citation needed] In the industry, ASC became well known for converting standard coupe automobiles into convertibles on an OEM basis.[citation needed] The company also engineers convertible tops for automakers to build themselves. Other original-equipment firsts for ASC include the mobile video system (on the Chevrolet Venture) and the powered sunroof.


The company has since changed its name in 2004 to highlight its new corporate focus on being a complete specialty-vehicle development partner for the world’s automakers.


Recent ASC concepts[edit]

  • ASC Jeep JL Bag Components
  • ASC Toyota Tacoma Tonneau
  • ASC RAM Tonneau
  • ASC / MV-1 Ramp Systems
  • ASC / Jeep Sky Slider
  • ASC Cosmos
  • ASC TriLite
  • ASC Diamondback
  • ASC-Suzuki Wave

Current ASC products[edit]

Past ASC products[edit]

ASC Saab 900 convertible prototype
ASC McLaren Ford Mustang



External links[edit]