Omc Cobra 4.3 V-6 Exhaust Manifold --- 984222 on 2040-parts.com

Walt Arfons: 1916-2013

No one seemed to know why the two brothers stopped talking, but their resulting rivalry led to some of the fastest cars ever built, two of which went more than 600 mph. Walt Arfons battled his half-brother Art on the Bonneville Salt Flats and at dragstrips across the country, but the pair rarely spoke over the course of one of the longest and most intense motorsport rivalries ever. Walt and Art started out working together, building a three-wheeled dragster in their native rural Ohio in 1952.

2013 Ford Mustang Shelby GT500 to start at $54,995

The muscle-car hammer known as the 2013 Ford Mustang Shelby GT500 will start at $54,995 for the coupe and $59,995 the convertible. Both prices include the $795 destination charge. The 200-mph pony car from the Blue Oval comes with a 650-hp, 5.8-liter supercharged V8 and a manual transmission standard.

Mercedes-Benz prices the 2012 SLK roadster and CLS coupe lines

Mercedes-Benz says the redesigned 2012 SLK350 will sticker at $55,675. The 2012 CLS550 starts at $72,175, and the high-performance CLS63 AMG will start at $95,775. All prices include shipping charges.