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

Mercedes C-class AMG DTM (2012) at Frankfurt motor show

Mercedes’ F125 concept might preview a hydrogen future for the automobile, but alongside this tech-laden show car Benz boss Dr Zetsche (with a little help from Michael Schumacher and Nico Rosberg) also unveiled a hardcore race car. It’s the Mercedes C-class Coupe AMG DTM, which will compete in next season’s Deutsche Tourenwagen Masters – think touring car, only with 4.0-litre V8s and rear-wheel drive chassis. Is the Mercedes C-class Coupe AMG DTM a C63 AMG Coupe under the skin?

2014 Vauxhall Meriva facelift gets new diesel engine

2014 Vauxhall Meriva facelift (pictured) gets new diesel engine It’s more than three years since the Vauxhall Meriva arrived – at Geneva in 2010 – as Vauxhall’s compact people carrier, so it’s time for a bit of a titivate and a few updates. The cosmetic makeover for the 2014 MY Meriva isn’t huge, but Vauxhall has thrown in a new grill and new headlights to fulfil the ‘new nose’ requirements of a facelift, there’s new alloys and new alloy options and daytime running lights. But the biggest change comes under the skin, with the old 1.7 litre turbo diesel being supplanted by the new 1.6 litre from the Zafira which offers 134bhp and 236lb/ft of torque.

Land Rover Defender Harris Tweed (2012) prototype

Here's a curious mix of classic Britishness and modern modifications: a Kahn-tuned Land Rover Defender fitted with a butch bodykit, enormous multispoke wheels and knobbly tyres and - inside -tweed-trimmed bucket seats. It's like a Spitfire wearing a Damien Hurst-penned livery. This is, to give the car its full title, the Kahn Defender Concept 17 Wide Body - Harris Tweed Prototype.