Piston Ring 4" X .248"/.249" Height .127" on 2040-parts.com

Jay Leno tests the Venom GT

Five years ago, Hennessey Performance was locked in a high-horsepower battle with supercars from Germany, Italy and the United States. The car Hennessey brought was the Venom 1000 Twin Turbo Viper. After decimating the competition in 0-to-200-mph runs, John Hennessey thought if his company could just stuff the engine into a smaller car, it could go even faster.

Mitsubishi i MiEV Sport Air concept first pictures

By Ben Pulman First Official Pictures 26 January 2009 12:29 Mitsubishi will unveil this i MiEV Sport Air concept at the 2009 Geneva motor show, alongside a new eco-version of the facelifted Colt supermini. You have, sort of, at the 2007 Tokyo Auto Salon. There it was merely the i MiEV Sport, and to be green Mitsubishi has just recycled that concept and given it a removable glass roof fitted with solar panels.

Autoweek in review: C7 Corvette partly leaks, Edsel's secret shopper, Dax Shepard visits

Omega manufacturing made a public name for itself this week as the supplier inadvertently revealed the front nose of the new Corvette C7 in every detail imaginable. A big whoops for the supplier and a speculator's dream come true before the C7 reveal at the Detroit auto show in January. Edsel Ford II had a secret shopper as Autoweek senior online editor Rory Carroll went to the RM Dingman Collection auction on assignment.