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

McLaren P1′s Pirelli P Zero Corsas key to performance +video

The new McLaren P1 is shod with custom-made Pirelli P Zero Corsa Tyres specially developed to meet the challenges of a 903bhp supercar. Ron Dennis has already told us that he has driven the P1 round the Top Gear test track at Dunsfold a full 10 seconds quicker than the Pagani Huayra went round, so we know the P1 has huge abilities on tap. But what’s also interesting is that Ron did his Top Gear lap on the P1′s road tyres, specially developed for McLaren by Pirelli, and not on hand-cut slicks like the Pagani Huayra.

Porsche 911 Carrera 4 GTS: Another ‘Final’ 911 arrives

Porsche 911 Carrera 4 GTS - now you can have your GTS with 4WD It’s never been easy to pick a 911 to buy. Despite all 911s looking much the same to all but the Porsche nutter, there’s a choice of at least a hundred different models (well, it feels like it when you try to decide), from the pure 911 Carrera 2 on up to the Turbo Cab and all the bonkers ‘Track’ 911s – the GT this and the RS that. And now, just to confuse things even more – and to extract a few more sales before the 997 version of the 911 joins the list of 911s that once were – we get the Porsche 911 Carrera 4 GTS.

New Jaguar XJ Frankfurt reveal

The new Jaguar XJ at the Frankfurt Motor Show So is there anything new to say? Not really, but what we do know is worth repeating. The new XJ is a big departite in style from the iconic – and original – XJ.