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If you're tired of waiting for Chevrolet to introduce a high-performance SS, you might want to give Hennessey a call as they have unveiled their HPE1000 package for the Australian-built sedan.

Designed to deliver unrivaled performance, the package includes a 7.0-liter LSX V8 engine that has been equipped with two turbochargers, a new intake manifold, low compression pistons and a Callies 4340 forged steel crank. The engine also has a custom camshaft, upgraded fuel injectors and a stainless steel exhaust system. Other notable highlights include an air-to-air intercooler, a high-flow air filter and a new ECU.

Thanks to all these modifications, the engine produces 1,000 bhp (745 kW). Hennessey declined to say how fast the car will be but the standard model accelerates from 0-60 mph in approximately five seconds with its 6.2-liter LS3 V8 engine that develops 415 bhp (310 kW) and 415 lb-ft (563 Nm) of torque.

Besides the performance modifications, Hennessey adds an individually-numbered dash plaque, floor mats and exterior badging. Customers can also order everything from an Alcantara-wrapped steering wheel to a CarbonAero body kit.

Gallery: Hennessey tunes the Chevrolet SS to 1000 bhp

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