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

Motorcycle helmet integrates head-up display, GPS and rear-view camera

Silicon-Valley start-up Skully Systems will ship its 'world's smartest' motorcycle helmet from next year. It costs $1,399, and draws together a host of technology features that are already becoming familiar to car drivers and makes them available to motorcyclists for the first time. The helmet's visor features the firm's 'Synapse' see-through head-up display system that shows information like navigation data, bike speed, and a 180-degree angle feed from the rear-view camera mounted on the back of the helmet.

Porsche GT3 to launch at Geneva

The next in line for the mid-life facelift (Gen 2) of the Porsche 911 is the GT3, following on from last year’s revisions to the Carrera and Targa. The GT3 has had only minor modifications to its looks, instead the detail, as you would hope, has gone on under the skin. The engine has gone up in size from the old 3.6 litres to 3.8, yielding an increase in bhp – up to 435bhp.

Fire up the Quattro: Ashes to Ashes Audi up for auction

This isn’t a replica, this is the actual Audi Quattro as driven by DCI Gene Hunt in the TV series Ashes to Ashes. It’s a 1993 Audi Quattro UR 2.1-litre Turbo that’s covered 106,204 miles. And it’s currently for sale as part of a no-reserve auction on eBay, meaning you could potentially pick up this legendary Quattro for a bit of a steal.