800 HP Upgrade

2020 Hennessey GMC GOLIATH 800

Hennessey GOLIATH 800 Supercharged

Available for the 2019 – 2020 GMC Sierra Truck

Power:
  • 805 bhp @ 5,500 rpm

 

Includes:

• 416 CID Stroker Motor
• High-Flow 2.9L Supercharger System
• High-Flow Intercooler System
• Chromoly Hardened Pushrods
• Crankcase Ventilation System
• 10-Speed Automatic Upgraded Transmission
• Stainless Steel long Tube Headers
• Stainless Steel Mid-pipe Exhaust Upgrade
• Custom Forged Aluminum Pistons
• Forged Steel Wrist Pins
• 6.125” Billet Steel H-Beam
• Balance, Blueprint & Assemble
• Bore Block On 3-axis CNC Mill
• Assemble Shortblock
• CNC Ported Cylinder Heads Ports
• Lightweight Hollow Stem Valves
• Extreme Duty Dual Valve Springs
• Titanium Retainers, Machined Locators
• Chamber Volumes Measures
• CNC Work Hand Blended Into Valve Job
• HPE Hydraulic Roller Camshaft Upgrade
• Hydraulic Lifter Upgrade
• HPE Engine Management Upgrade
• Professional Installation
• Chassis Dyno Testing
• Road Testing – Up To 200 Miles
• Hennessey Exterior Rear Badge
• Hennessey Embroidered Headrests
• GOLIATH 800 Exterior Badging
• Hennessey Serial Numbered Plaque
• Serial Numbered Certificate of Authenticity
• Shell V-Power 93 Octane Gasoline
• Shell Rotella RGT Synthetic Oil
• 1 Year / 12,000 Mile limited warranty

 

Optional Upgrades Available:

 

GOLIATH Off-Road Stage 1 Package

• GOLIATH Front Bumper
• 5 LED Lights in Front Bumper
• 20 inch Hennessey 10-Spoke Wheels
• 35 inch Toyo Off-Road Tires
• 6” Lift Kit (*depends on trim level)
• Hennessey & GOLIATH Exterior Graphics
• Professional Installation
• 3 year / 36,000 Mile Limited Warranty

 

Additional Upgrades

• GOLIATH Diamond Stitched Interior
• GOLIATH Ram Air Hood
• Brembo Front Brake Upgrade
• Stainless Steel Cat-back Exhaust System
• GOLIATH Rear Bumper
• Retractable Electronic Bed Cover
• Upgraded Electronic Fold Out Steps

Looking for more information? Contact a Performance Consultant:

PLANNING AN UPGRADE? Get More Information About Hennessey Upgrades Available for Your Car!