S2000 Competition Clutch Stage 4 Clutch Disc on 2040-parts.com

Watch the Audi Sport Quattro tear up the back roads

Audi revealed its 700-hp Sport Quattro concept at the Frankfurt motor show in September; the car pays homage to the classic rallying Sport Quattro from the 1980s. On Monday, the automaker uploaded a video of the upcoming vehicle to celebrate 100,000 Facebook likes on its German social-networking page. The video shows the Quattro whipping and gripping through a forest/mountain stage.

GM reveals new, highly modular Ecotec engine family

GM introduced its new modular family of Ecotec engines on Wednesday at its powertrain headquarters in Pontiac, Mich. The new, reduced-in-size three- and four-cylinder mills will replace three of GM's current engine families, eventually making their way into five of the company's brands. The Ecotec family will eventually spawn 11 engines in total, ranging in displacement from 1.0 liter to 1.5 liters.

Audi R8 LMX – the most powerful R8 yet – costs from £160,025

The Audi R8 LMX (pictured) is the first production car with laser lights The new Audi R8 LMX is actually the most powerful R8 road car Audi has produced, but they seem keener you know that it has laser beam headlights. But that’s because they’ve beaten BMW to the punch on the laser front. As a run-out version of the current R8, the R8 LMX has a lot to offer, with more power, more toys, a hefty price tag and a debut in the UK at the Goodwood Festival of Speed next month.