2015 – 2016 GMC Yukon Denali HPE800 Supercharged Upgrade

2015 GMC Yukon XL Hennessey Supercharged

HPE800 Supercharged Upgrade

Available for the 2015 – 2016 Cadillac Escalade & GMC Yukon Denali equipped with the 6.2L V8 engine.

• 805 bhp @ 6,000 rpm *
• 827 lb-ft torque @ 3,800 rpm *


• 0-60 mph: 4.1 sec.
• ¼ mile: 12.2 @ 110 mph


• 2.9L supercharger system.
• Extreme duty intercooler system.
• 416 CID Stroker motor.
• 4.0-inch Stroker crankshaft.
• Custom forged aluminum pistons with 10.5:1 compression ratio & steel wrist pins.
• 6.125-inch Billet steel H-beam connecting rods with ARP bolts.
• Balance, blueprint & assemble shortblock:  fully de-bur block, line hone block with ARP main studs, deck block.
• Bore block on 3-axis CNC mill, hone block with torque plates, balance crankshaft, check bearing clearances.
• Assemble shortblock.
• CNC Ported Cylinder Heads ports- Competition valve job, extensive flow testing, chambers milled to desired cc.
• Lightweight hollow stem intake valves, exhaust valves.
• Extreme duty dual valve springs.
• Titanium retainers, machined locators & locks, GM valve seals.
• Chamber volumes measures & adjusted for compression.
• CNC work hand blended into valve job, spring pressures measured & adjusted.
• HPE hydraulic roller camshaft upgrade.
• Hydraulic lifter upgrade with extreme duty pushrods.
• 1.75 inch stainless steel long-tube headers.
• Stainless steel mid-pipe exhaust upgrade.
• High-flow catalytic converters.
• HPE engine management upgrade & chassis dyno calibration.
• Professional installation and all necessary gaskets & fluids.
• Chassis dyno testing.  You’ll receive a before & after dyno graph report showing power and torque measured at the rear wheels.
• Road testing (up to 100 miles).
• Hennessey exterior badge (rear).
• HPE800 Powered by Hennessey badges (side & rear).
• Hennessey serial numbered plaque signed by John Hennessey (interior).
• Hennessey serial numbered plaque signed by the HPE technician (engine bay).
• Powered by Hennessey premium floor mats.
• Serial numbered Certificate of Authenticity personally signed by John Hennessey.
• Free lifetime membership in the official Hennessey Vehicle Registry (HVR).
• 1 Year / 12,000 mile limited warranty. Contact a Hennessey Performance sales associate for more details.
• Shell V-Power 93 octane gasoline.
• Pennzoil Ultra Platinum synthetic oil & filter change.


* Estimated power ratings at the engine.  Actual power will be measured at the rear wheels, before and after the upgrades are installed and tuned.  Rear wheel horsepower and torque figures are approximately 15-20% lower than the factory published power figures which are measured at the crankshaft on an engine dyno.

Looking for more information? Contact a Performance Consultant:

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