Arp 444-1102 Mopar 340-360 Ss Hex Header Bolt Kit on 2040-parts.com

Detroit auto show: Ford Mustang Boss 302R breaks cover

Some 40 years after Parnelli Jones drove a Bud Moore-built Boss 302 Mustang to the Trans-Am championship, Ford Racing has unleashed a new Boss 302R. The new Boss is an off-road-only Mustang that comes from the factory race-ready. Each of the limited-to-50 cars will come fitted with a 5.0-liter four-valve V8 and six-speed manual transmission.

Mercedes SLS AMG Gullwing testing Video

Mercedes Benz has released footage of the SLS AMG testing But I suppose if there’s enough interest in a car, and the pictures are appearing anyway, you may as well do it yourself and put the car across as you want it. But Mercedes Benz has now gone one better – the Official Spy Video! Yes, footage direct from Mercedes of the SLS AMG testing in full disguise.

Volkswagen Polo R WRC (2013) hot hatch pictures and specs

This is the Volkswagen Polo R WRC, a rally car-inspired hot hatch that shoehorns Golf GTI power into a Polo bodyshell. Deliveries of the strictly limited 2500-unit production run will commence in September 2013, but the bad news is that invitation doesn't extend to mainstream UK buyers. That said, VW hints that it could bring in a handful to the UK if there's enough demand.