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

Volvo offers 250 Polestar Limited Edition C30s for U.S.

The 2013 Volvo C30 Polestar Limited Edition will be available in the United States in limited numbers for a sticker price of $32,445, including $895 in destination. The 2.5-liter five-cylinder engine receives an upgrade of 23 hp and 37 lb-ft of torque, leading to a total output of 250 hp and 273 lb-ft. Volvo says the power boost comes from increasing airflow into the combustion chambers and advancing spark timing.

Corvette ZR1 (2008): first official pictures

By Ben Oliver First Official Pictures 13 January 2008 21:56 General Motors has unveiled its fastest, most powerful production model ever. Official figures have yet to be released but insiders say the Corvette ZR1 is likely to top 200mph and crack 60mph in a little over 3 seconds. Its new supercharged, 6.2-litre LS9 V8 makes 620bhp and 595lb ft of torque, which GM claims gives the ZR1 a better power-to-weight ratio than the Ferrari 599, Porsche 911 GT2 and Lamborghini Murcielago LP640.

GM prepares to announce Pontiac closure next week

General Motors is preparing to announce early next week that the Pontiac brand will be eliminated, said a source familiar with the company's plans. The announcement will be made as part of an updated viability report to the U.S. auto task force, the source said.