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

Aston Martin Coupé Zagato Centennial and Spyder Zagato Centennial

American car collector Peter Read has commissioned a pair of Zagato-bodied Aston Martins that coincide with the British marque's centenary. The DBS Coupé Zagato Centennial and DB9 Spyder Zagato Centennial are the hard- and soft-top siblings are the latest in a long line of collaborations between the two companies. But while many have been – an admittedly more exuberant – expression of contemporary Aston design language, the Centennials have a stronger individual identity with an almost sedan-like aesthetic with forward-leaning noses and long Kamm tails.

Mercedes-Benz SLS AMG: The gullwing takes flight

Before we reveal what it is like to hot-lap a prototype version of Mercedes-Benz's 6.2-liter V8-powered SLS around the 2.2-mile Sachsenring in eastern Germany, let us tell you one thing that puts the big rear-wheel-drive coupe into clear perspective. The SLS, planned to get its first public outing at the Frankfurt motor show in September, is not based on any existing Mercedes model. Rather, it has been conceived, designed and engineered from the ground up in a no-compromise approach by the German carmaker's in-house tuning division, AMG.

SEMA 2008 show report: Hummer H3

By Ben Whitworth Motor Shows 07 November 2008 09:49 Las Vegas being Las Vegas – and SEMA being SEMA – there’s probably no better place to unveil a trio of modded Hummers H3s. GM bosses bill the H3T Weekend Warrior, the H3 X and the H3 Alpha concepts as the last word in Hummer-ness. Let’s hope they’re serious about the ‘last’ bit… Perhaps.