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

Volvo tuner Polestar reveals production S60 and V60 models

It's not every day that we can tell you about a performance-tuned station wagon that is actually coming to the U.S., but today is one of those rare days. Volvo racing and aftermarket tuning specialist Polestar has revealed details of their production versions of the V60 wagon and the S60 sedan, which are bound for the U.S. The S60 and V60's 3.0-liter T6 engine has been tuned to produce 350 hp and 369 lb-ft of torque, which is said to give it a 0 to 62 mph time of 4.9 seconds, on the way to an electronically limited top speed of 155 mph.

Alpina B5 Bi-Turbo (2011) launches

The Alpina B5 Bi-Turbo 2011 debuted at Goodwood If you went down to the Goodwood Festival of Speed over the weekend you may well have come across Alpina’s latest offering – the Alpina B5 Bi-Turbo – which, following the news yesterday that BMW have retired the current generation (E60) M5 and that you’ll have to wait intil next year for the new M5 – is the only way to hop in to a brand new ‘Hot’ 5 series for at least the next 9 months. Not only is the Alpina B5 the only really quick 5 series on the market now, it will also be a lot less ubiquitous in the long run than BMW’s own M5. A lot to be said for that.

'Defective tyre' prosecutions top 10,000

MORE THAN 170 motorists were convicted every week in 2012 for driving on defective or even dangerous tyres. The figures, obtained by tyre safety charity TyreSafe as part of its efforts to improve awareness during Tyre Safety Month, show that 10,228 drivers were taken to court over their tyres. As rain becomes a more regular fixture for most motorists up and down the country, following an unusually dry summer, tyre tread depth and pressure become even more important.