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

Aston Martin Coupé Zagato Centennial and Spyder Zagato Centennial

American car collector Peter Read has commissioned a pair of Zagato-bodied Aston Martins that coincide with the British marque's centenary. The DBS Coupé Zagato Centennial and DB9 Spyder Zagato Centennial are the hard- and soft-top siblings are the latest in a long line of collaborations between the two companies. But while many have been – an admittedly more exuberant – expression of contemporary Aston design language, the Centennials have a stronger individual identity with an almost sedan-like aesthetic with forward-leaning noses and long Kamm tails.

Polestar boosts Volvo power with factory software upgrade

Volvo and its performance arm Polestar have developed tuning software for C30, C70 and S40 cars fitted with the T5 turbocharged engine. It increases power by 23 hp and torque by 29 lb-ft by revising valve and spark timing. The software is compatible with 2008-model-year and newer cars and goes on sale on Nov.

Porsche 911 buyers flock to rare 24-month leases

Porsche is pushing 24-month leases for its 911 and is running a six-month lease pull-ahead incentive on all of its sports cars to offset a shortage of low-mileage used cars. This year, 22 percent of all 911 lessees have taken 24-month contracts rather than 36-month deals, says Michael Bartsch, COO of Porsche Cars North America. That compares with 10 percent before the push.