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Hennessey Challenger SRT600

Unlike the Mopar-tuned Dodge Challenger drag racers, the new Hennessey Challenger HPE600 Turbo’s are completely street legal and completely bad ass. A product of Hennessey Performance Engineering [HPE], the Hennessey HPE600 Turbo package is geared towards drivers looking to upgrade the already impressive stock performance of their Dodge Challenger SRT8 models. Utilizing forced induction for a turbo-charged power boost, the HPE600 Turbo upgrades the Challenger SRT8’s OEM output an incredible 195 units to 620-hp. Coupled with 650 lb-ft of torque, the Hennessey Challenger earned itself an awe-inspiring 11.9-second quarter-mile laptime during test runs.

More Pics & Specs After Jump

Hennessey Challenger SRT600 running laps

In addition to white knuckle speeds, the Hennessey Turbo package also primes the Challenger SRT8’s for lightning-fast responsiveness with KW adjustable coil-over shocks/springs and StopTech brakes. Of course, this kind of precision execution doesn’t come cheap, the 2009 Dodge Challenger SRT8 with complete HPE600 Turbo upgrade starts at $74,950. We believe the tag is worth every penny [a pretty significant admission, coming from us], because standard with the Hennessey Turbo upgrade is:

• High-flow ported & polished aluminum cylinder heads
• Lowered compression ratio (from stock 10.3:1 to 9.6:1)
• Garrett ball bearing turbocharger
• Handmade stainless-steel turbo headers
• Single 44 mm billet-aluminum wastegate
• Stainless-steel 3-inch diameter dual exhaust system
• Front mounted air-to-air intercooler
• 3.5-inch polished inlet tube with integrated blow-off valve
• High flow air filter
• Upgraded fuel injectors
• Billet aluminum fuel rails
• Upgraded fuel pump system
• Hennessey and HPE600 exterior badges
• Hennessey HPE600 “Hockey Stick” graphics package
• Hennessey embroidered floor mats
• Serial numbered dash plaque in interior and engine compartment
• Hennessey embroidered front seat head rests
• Hennessey / HPE600 on tachometer and speedometer
• All necessary gaskets and fluids
• Professional installation
• One year limited warranty
• Half day of driving instruction at Lonestar Motorsports Park (adjacent to the HPE facility)

Hennessey Challenger HPE600 Turbo engine