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

Renault Formula E racer (2013) at Frankfurt motor show

Formula E, the new elite racing series for electric single-seaters, has got the FIA’s backing, confirmed the major cities that will host the races, and now we've finally seen the crucial racecar. This is the Spark-Renault SRT_01E, a joint project developed between Renaultsport and Spark Racing Technology (SRT) which has just been unveiled at the 2013 Frankfurt motor show. There’s also been input from F1 legends Williams and McLaren, plus Dallara (which builds all the cars for the IndyCar series in the US).

Rolls-Royce teases Wraith before Geneva motor show

Rolls-Royce has revealed the first actual photo of the upcoming Wraith coupe, which will debut at the Geneva motor show in March. The first teaser image was just smoke in the shape of the Spirit of Ecstasy hood ornament, but this photo shows the actual shape of the car. Last week we reported that the big coupe will most likely carry a 6.0-liter V12 engine that should create about 600 hp, and that the car will be about 7 inches shorter than the four-door Ghost.

General Motors to drop Goodwrench brand in the United States

UPDATED -- General Motors Co. is dropping the GM Goodwrench car mechanic brand in the United States as the company moves to redirect the marketing emphasis around its four core vehicle brands, the company announced. The long-standing Goodwrench brand--used by GM dealers to promote vehicle repair and maintenance services--will be replaced by Chevrolet Certified Service, Cadillac Certified Service, Buick Certified Service and GMC Certified Service, GM said in a statement released Monday evening.