It was only a matter of time before we started seeing tuning propositions for Dodge’s highly anticipated Challenger Coupe. Hennessey Performance, which is widely known for their Dodge Viper conversions, is offering a unique power kit for the Challenger SRT8 that will be available for a mere 25 clients in 2008. The standard 6.1-liter V8 gets a series of upgrades that include: enlarged displacement to 426 c.i. or 7.0-liters; custom 67 mm turbocharger with a front mounted air-to-air intercooler; stainless steel dual 3 in. exhaust system; high flow cylinder heads and an upgraded engine management system.

The result is a maximum output of 725 Hp at 5,200 rpm and 1,016Nm (750lb-ft) of torque at 4,000 rpm compared to the standard V8’s 425 HP and 420 lb.-ft. of torque. According to Hennessey, the supped up Challenger SRT700 Turbo can go from zero to 60 mph (96 km/h) in approx 3.5 sec, hit the quarter mile in 11.3 sec at 126 mph or 203 km/h and reach a top speed of 190 mph or 305 km/h. Pic edited by Carscoop – Details after the jump

SRT700 Turbo - 426 CID Engine Upgrade

Power:

725 hp @ 5,200 rpm

750 lb-ft @ 4,000 rpm

Estimated Performance:

0 - 60 mph: 3.5 sec. *

1/4 mile: 11.3 sec. @ 126 mph *

Top Speed: 190 mph
* with Drag Radial Tire Upgrade

Includes:

426 Cubic Inch Displacement Stroker Motor

9.0:1 Compression Forged Aluminum Pistons

Forged Steel Connecting Rods

426 Stroker Crankshaft

Balanced Rotating Assembly

High Flow Cylinder Heads

Polished Intake Manifold

Single 67 mm Turbocharger

Stainless Steel Turbo Y-Pipe

Single 44 mm Wastegate

Stainless Steel Dual 3 in. Exhaust System with Polished Stainless Steel Exhaust Tips

Front Mounted Air-to-Air Intercooler

3.5 in. Polished Inlet Tube with Blow-Off Valve

Upgraded Fuel Injectors

Upgraded Engine Management System

180 degree thermostat upgrade

All necessary gaskets and fluids

Professional Installation

Chassis Dyno Testing

Road Testing (up to 100 miles)

One year limited warranty