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

Mercedes SLS AMG Roadster: Official photos

Mercedes SLS AMG Roadster - it'll finally debut at Frankfurt in September The official arrival of the Mercedes SLS AMG Roadster is turning out to be a rather difficult event to call. It’s getting on for two years since we ran the first spy photos of the SLS Roadster, at which point we had expectations that it might arrive at Geneva in 2010. And we were almost certain that the SLS Roadster would finally arrive at the New York Motor Show last month after we published photos of an undisguised SLS Roadster out partying in Hamburg.

Toyota campervan takes on VW California

Always had that urge to be a carefree campervan fan, but so absolutely hung up on vehicle reliability that you can’t leave the driveway without checking the oil and making sure all the electric windows work? What if we said you could have a camper based on a Toyota – like this new Proace conversion from G&P. Sandon-based G&P has just unveiled the new Proace camper at the 2013 Motorhome and Caravan Show.

Citroën to unveil DS4 Racing 'concept'

Citroën is set to debut its all-new DS4 Racing concept at next month's Geneva show as part of its evolution of the DS lineup. The concept, developed by Citroën Racing – the company's seven-time WRC winning motorsports division – is host to a range of new features courtesy of the Citroën Racing engineers. The chassis has been lowered by 35mm from that of the DS3, with the track being widened by 55mm at the front and 75mm at the rear along with the inclusion of 19-inch wheels.