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

Seat IBL concept car (2011) at Frankfurt motor show

Seat is sometimes described as Spain's answer to Alfa Romeo. And if that's the case, then the new Seat IBL concept car is surely a 159-influenced take on what future Seat road cars could look like. The IBL concept is another ideas car from Seat – an exploration of what to expect from future models.

Mercedes-Benz SLS prepped to go GT3 racing

Mercedes-Benz AMG pulled the wraps off its new race car on Monday in Oaxaca, Mexico, scene of a commemoration of Mercedes' victory in the 1952 Carrera Panamericana. The new SLS GT3 is a modified Mercedes-Benz SLS intended to meet FIA homologation requirements for the GT3 class in series throughout the world. While it's not known what the production car will look like when it starts going to customers either this fall--according to the press release--or "before the start of the 2011 racing season," according to AMG's Thomas Rappel, the prototype shown in Oaxaca had a full roll cage, a new front skirt with splitter, rear diffusers and an enormous rear wing.

2011 Audi R8 GT, an AW first look

Three years after it burst onto the supercar scene, Audi has unveiled a hard-core version of its R8 called the GT. Based on the existing mid-engine R8 V10 and incorporating aerodynamic, weight-saving and mechanical developments used by the company's R8 LMS GT3 race car, Ingolstadt will build just 333 copies of the new 560-hp four-wheel-drive performance flagship. Pricing has not yet been revealed, but given the extent of the changes to the new two-seater, buyers should expect a hefty premium over the R8 V10's $147,000 price tag when the GT goes on sale in North America.