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

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.

Alfa Romeo 4C (2012) more official pictures

Yes, yes - it's only a new paint job on the Alfa Romeo 4C concept car. But the 4C remains one of our favourite show cars in recent years, so we're only too happy to show off its new Fluid Metal colour scheme. The 4C will be shown again at the 2011 Frankfurt motor show on 13 September.

Lamborghini thinks light at Paris trade show

Pure, unadulterated power has long been one of the pillars of Lamborghini. But now, engineers at the Dancing Bull are seriously looking at ways to reduce weight. Case in point: The new Gallardo LP 570-4 Superleggera cuts 154 pounds from the LP 560-4 through significant use of carbon fiber.