Spi Polaris 600 Rmk (2012-2016) Snowmobile Lower A-arm Right on 2040-parts.com

Win one of five books on the 1970 World Cup Rally

The new June 2010 issue of CAR Magazine kicks off our Supercar World Cup. To coincide with this summer's football tournament, we've launched a tournament of our own – a festival of fast, featuring 2010's most exciting supercars, with everything from the Ferrari 599 GTO to the Aston Martin One-77, with twin tests of the Veyron and SV, and LFA and SLS in between. But we’re also celebrating one very special anniversary.

Nissan’s new lightweight philosophy revealed

The leaked official drawings of the new Nissan Micra might have revealed the conventional styling of the company’s new supermini, but they gave little clue to the dramatically lightweight new platform that underpins it. The new Micra will be significantly lighter and more fuel efficient than the outgoing car due to a ruthless pursuit of weight reduction on the new V-platform (V = versatile), which on average has slashed 50kg from the new car's weight, and up to 70kg on some models. Project leader Noritaka Tsuru described the new package as a 'breakthrough car' that required a complete 'change in mentality' in how Nissan makes cars.

Win a Seiko Sportura watch worth £395!

For a decade, Seiko’s Sportura range has acknowledged the link between great timepieces and great cars, with watches inspired by motoring and motorsport. And now you could win one of these fine watches, by answering one simple question: who is the reigning F1 World Champion? Click here to answer the question (it's multiple choice, so it's easy) and enter our competition Like the instrument panel of a sports car, Sportura dials are instantly legible; all have a jet-black background with orange or red hands, and a sapphire crystal with an anti-reflective coating.