Renthal Sprocket Rear 46t 520 Ultralight Fits Honda Cbr 600rr/f4 Conv 03-09 on 2040-parts.com

Win a Red Bull Racing F1 cap signed by Vettel

Win an official Red Bull Racing F1 team cap signed by current championship leader Seb Vettel in CAR Magazine's new competition. We've teamed up with Infiniti to celebrate the 2011 British Grand Prix at Silverstone on Sunday 10 July. All you have to do is answer one simple question about Infiniti ­and this snazzy navy blue racing cap could be yours.

One Lap of the Web: Used car deals, Audi A7 and the Lamborghini Veneno

Flat Sixes is looking into a Porsche 914 for sale. The project car has a few questionable mods, and is selling for $10,000. Flat Sixes thinks it's a little overpriced considering the black painted windshield surround and body color bumpers, check it out at Flat Sixes or Los Angeles Craigslist.

Flavio Manzoni on the design secrets of the Ferrari LaFerrari [w/Video]

Flavio Manzoni has explained the secrets behind the design of the LaFerrari hypercar in an interview with Autocar's Steve Sutcliffe. Ferrari's design chief, speaking at the Ferrari Museum in Maranello, talks of how the LaFerrari was designed to manifest the future of Ferrari and mark a milestone in the design process. Presentations of four 1:1 scale models adorn the walls of the room kept exclusively for project LaFerrari, although there were five initial presentations – three from Ferrari and two from Pininfarina.