Tyc 20-6398-00 Headlight on 2040-parts.com

Carlsson improves upon the Mercedes SL63 AMG

Not happy with only 518 hp and a 4.5-second 0-to-60-mph time from your shiny new Mercedes-Benz SL63 AMG? Lucky for you, the German tuners from Carlsson are now offering performance-upgrade kits in the United States. Through GGI European Tuning in Miami--the exclusive North American importer of Carlsson parts--SL63 owners can massage their rides to churn out 600 hp and 520 lb-ft of torque and to handle better than stock.

Celebrate 40 years of Nissan's Z car with our special Web-zine

It's the 40th anniversary of Nissan's iconic Z car. You can join the celebration with a special-edition Web-zine created by the editors of AutoWeek. A great historical compilation from the AW archives, this special issue will take you from the Fairlady to the latest 370Z, with the race cars in between.

Ultrarare, never-raced Lamborgini Diablo GT-R hits the market

Any Lamborghini is a special acquisition, but for those who desire true exclusivity in an exotic-car purchase, we present the Lamborghini Diablo GT-R. The GT-R is a track-only variation of the exclusive, street-legal European-only Diablo GT. This is not just your garden-variety Diablo GT-R.