Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Enter the Autoweek Big Game Giveaway!

What better way to spend some holiday free time than flat-out on the virtual limit. We're giving away copies of F1 2011 for PlayStation 3 and Xbox 360, Forza Motorsport 4 for Xbox and Dirt 3 for both systems. We also have an Xbox wireless steering wheel bundled with Forza 4, and the grand prize is a Dirt 3-branded Playseat, a Kinect special-edition Xbox 360 250 GB and copies of F1 2011 and Dirt 3.

Volkswagen Golf [w/Gallery]

Volkswagen has unveiled the new seventh-generation Golf in Berlin, 36 years after the original model was first released. As expected the Mk7 is a further evolution of the Golf lineage, adding what appears to be an extra layer of precision to its surfacing and graphics. New production techniques helped the design team reduce its weight by 100kg, and at 4,255mm long the new model is 56mm longer than its predecessor, with a 59mm longer wheelbase of 2,637mm and it is also 13mm wider, at 1,799mm, and 28mm lower at 1,452mm.

Audi unveils armored A8L Security

While unveiling the Allroad E-Tron Shooting Brake at the Detroit Auto Show, Audi also quietly debuted the A8L Security version of its new range-topping sedan this week, armored to the highest level of ballistic protection for passenger cars. The A8L Security is based on the facelifted version of Audi's third-generation A8 sedan, and this armored version will be available both with Audi 4.0 TFSI V8 engine and the 6.0-liter W12. Audi set out to design the current A8L with building an armored version in mind, as opposed to the first-generation A8 of the 1990s which was not offered in Security specification until very late in the product cycle.