Hennessey HPE850 package, serial no. 9, with a supercharged 6.2L V-8 rated at 850 hp and 715 lb-ft. The package includes a lower pulley, custom camshaft, upgraded cylinder heads, valvetrain, intake and exhaust components, heat exchanger, headers, catalytic converters, Corsa exhaust, and HPE engine calibration. Annual mileage sits near the low end for this generation.