Willys Carb 3-10 Psi Inline Fuel Pressure Regulator P/n 791 on 2040-parts.com

Seat Leon ST (2014) at Frankfurt motor show

The new Seat Leon ST is the first time the Spanish marque has offered the Leon as a wagon, which will be the third body style alongside the three-door Leon SC and five-door hatch versions. Based on the impressive new VW Golf Estate the Leon ST will be cheaper than the Golf wagon when it arrives in UK showrooms in January 2014. Is it just a Golf Estate with a different look?

New Images: Mercedes Unimog concept

Mercedes-Benz's Special Trucks unit (MBS) recently revealed a design study celebrating the 60th anniversary of the Unimog at the Daimler plant in Wörth, Germany. Called simply '60 Years Unimog', the concept is said to inform the future form language of Mercedes-Benz commercial vehicle design. Developed jointly by the MBS development team, the Daimler commercial vehicle designers in Sindelfingen and a model designing partner, the Unimog concept was inspired by the poison dart frog, a natie of Central and South America.

2010 BMW X6 M: Fast and fun--whatever the heck it is

Barreling around the racetrack, there's little lean entering the corners, plenty of thrust on exit and a monster amount of grip everywhere, and if it feels taxed at all, it's ever so briefly as the nose aims left and up from turn five for the steep climb out of the esses. Road Atlanta is plain ol' fast, and the BMW X6 M does well to keep pace, spilling gobs of power all over the track, blazing down the long back straight to nearly 140 mph, maneuvering like no two-and-half-ton pile of metal should. It's exhilarating stuff, to be sure, only we're left asking very many questions, and all of them are: Why?