Detailed item info Model OverviewThe Dodge Viper gets some significant mechanical improvements for 2008 that bring its performance up to a new level. Its aluminum-block V10 engine has been increased to 8. 4 liters and now includes variable valve timing. along with a new two-piece intake manifold and dual electronic throttle control. The engine now gets an oil system adapted from competition engines. for improved oil pressure during high revving and hard cornering. The Viper is available in two models: coupe and roadster. The coupe has the memorable "double-bubble" roof styling while the roadster comes with a soft-top convertible arrangement and safety cage. To handle the increases in power. the Viper gets a new twin-disc clutch. which brings a better pedal feel. too. and the Tremec six-speed manual transmission now has wider gears and new synchronizers. There's also a new transmission cooler to help increase reliability during hard use. Stronger brakes match the boost in power as well. The new brakes use Brembo dual opposing piston calipers on all four wheels and 14-inch rotors; according to Dodge. the Viper can stop from 60 mph in fewer than 100 feet. Anti-lock brakes are standard on the Viper. along with adjustable pedals. The suspension employs aluminum control arms. with lightweight coil-over-shocks. There are three different wheel styles available. including a new "Razor" wheel design and new Michelin Pilot Sport PS2 tires. The interior is now available in multiple colors--a total of four in addition to black--and there's now an element of customization with several different bezel finishes. A navigation system is also available.