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

McLaren P1 concept

The McLaren P1 concept – the company's flagship hypercar model – will make its world debut at the Paris motor show next week ahead of the production model some time next year. These first images reveal an exterior that's more expressive in its surfacing and graphics than the existing MP4-12C, with a particular motif made of McLaren's 'tick' logo through the DRG. Its bodywork also appears to be layered over the underlying carbon structure that appears around the nose, rear and door panel, which hint at the diagonal bar that ran through the F1's doors, although here it dives downwards rather than creating a wedge.

AC Mk VI: AC Cars return to the UK

Here's a blast from the past. AC has announced it's returning to the UK market and will exhibit the Mk VI version of its venerable roadster at the 2011 Geneva motor show. AC, a UK manufacturer that's 110-years-young in 2011 but with more regenerations than a Doctor Who convention, is establishing a new base at Brooklands.

One Lap of the Web: Living with an electric motorcycle, Land Rover's Unimog and Reattas in Finland

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- The route for the 2014 Hemmings Motor news Great Race, and this year, the race is heading east.