Hennessey gives Dodge Challenger SRT8 725hp

Hennessey gives Dodge Challenger SRT8 725hp

Hennessey Performance has declared themselves as the very first tuners to get their hands on the new 2008 Dodge Challenger SRT8 offering unique power kit called the SRT700 and will be available to 25 clients for the 2008 model year.

The Challenger SRT8s 6.1L HEMI V8 gets number of upgrades including a enlarged displacement to 7.0-liters. Other upgrades include a 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.

Power is increased to 725-hp with a peak torque of 750 lb-ft. The 0-60 sprint is expected to come in at 3.5 seconds with a top speed of 190mph.

Click through to see the full list of upgrades.

SRT700 Turbo – 426 CID Engine Upgrade


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


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


Source: CarScoop

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