Auto Meter Electronic Boost Controller 2681 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.

Second Lamborghini Diablo GT-R up for grabs in California

Not ready to pony up for the ultrarare, unraced Lamborghini Diablo GT-R that was for sale last week? As long as you didn't drop all of your change on rapture supplies, we've found you a second GT-R--albeit with racing history--for sale by the same owner. This example, painted Monterey Blue by its previous Japan-based owner, has spent the past few years touring car shows and displays while remaining in a private collection.

McLaren shows off its MP4-12C GT3 racer

McLaren GT, comprised of a partnership between the British company and CRS Racing, has unveiled its new GT3 race car based on the forthcoming MP4-12C sports car. This is the first McLaren built for FIA GT racing since the F1 GTR took to the track before production ended in 1997. "McLaren has racing in its blood, and it was a natural step to take our MP4-12C road car and turn it into the most reliable, efficient and easy-to-drive GT3 car," said Martin Whitmarsh, the McLaren Group's chief executive officer.