Competition Cams 31-234-3 Xtreme Energy; Camshaft on 2040-parts.com

You could own Jeremy Clarkson's old Jaguar XJR

This is quite possibly the best Jaguar XJR… in the world. And that's because it was formerly owned by a certain Jeremy Clarkson. So you can bet your life he spent many hours smoking in the big supercharged cat.

Audi welcomes Porsche back to Le Mans

Porsche is returning to the 24 Hours of Le Mans next weekend, and reigning champ Audi figured it would be nice to send a little welcoming committee to Stuttgart, Germany. The committee consisted of one driver in an R18 e-tron quattro LMP1 car. Keen eyes will notice the race car passing a red tractor, also a Porsche design.

Lexus targets the Mercedes-Benz S-class with a sporty LS 460

Lexus has introduced its first sport package on the LS 460 to take aim at the Mercedes-Benz S-class. The flagship LS, redesigned for the 2007 model year, is getting long in the tooth. And Lexus wants younger BMW and Mercedes owners.