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

2014 Corvette Stingray rated at 455 hp

The 2014 Chevrolet Corvette Stingray's 6.2-liter LT1 V8 engine has been rated at 455 hp at 6,000 rpm and 460 lb-ft of torque at 4,000 rpm -- the highest standard-power rating ever for the Corvette. An available performance-exhaust system boosts the rating up to 460 hp and 465 lb-ft of torque. Chevrolet says the new LT1 with standard exhaust has 25 more horsepower than the current Corvette's base LS3 6.2-liter engine, which is rated at 430 hp, and 41 lb-ft more torque compared with the 2013 model's 424 lb-ft.

KTM halts production of the X-Bow two-seater as inventory grows

With sales well below expectations and 80 units reportedly unsold, Austrian motorcycle company KTM has temporarily halted production of the ultralight X-Bow two-seat sports car. KTM officials originally expected sales of 1,000 units a year. But that lofty goal is being scaled back to between 200 and 300 units a year.

British EV prototype competes for $10m prize

A Silverstone-based company has emerged as the only British (and European) contender for the $10m Automotive X-Prize, a competition to find the most environmentally friendly car on the planet. Delta Motorsport’s E-4 Coupe concept has been accepted into the next stage of the X-Prize competition and the company now has to prepare a fully functioning prototype. Backed by an American insurance company, the X-Prize was set up to 'inspire a new generation of viable, super-efficient vehicles that help break our addiction to oil and stem the effects of climate change'.