Supercharged GMC Sierra AT4 // Goliath 650 Upgrade by Hennessey

Hennessey’s ’Goliath 650’ Supercharged Upgrade for V8 GMC Sierra and Chevrolet Silverado! Hold on tight, truck enthusiasts! We have pushed the limits once again with the latest powerhouse creation – the ’Goliath 650’. This mind-blowing upgrade transforms the already rugged GMC AT4 Sierra into a roaring beast with an astonishing 650 horsepower and 658 lb-ft of torque. 🔥 Key Performance Specs: 650 bhp @ 5,500 rpm 658 lb-ft torque @ 4,200 rpm 3.0 Liter Supercharger System High-Flow Intercooling System High-Flow Air Induction System Chromoly Hardened Pushrods Crankcase Ventilation System Stainless Steel Catback Exhaust System HPE Engine Management Calibration But the upgrades don’t stop there! Hennessey’s meticulous attention to detail extends to every aspect of the Goliath 650 package: ✅ Complete Package Includes: All Necessary Gaskets, Fluids & Hardware Professional Installation Chassis Dyno Testing Road Testing (Up To 500 Miles) Serial-Numbered Engine Plaque Hennessey & GOLIATH Exterior Badging 3 Year / 36,000 Mile Warranty 👊 Dominating Exterior Upgrades: GOLIATH Custom Front Bumper GOLIATH Custom Rear Bumper LED Lights in Front Bumper 20” Hennessey 10-Spoke Wheels 35” Off-Road Tires Off-Road Suspension Upgrade Discover the thrill of raw power and unparalleled performance as we take this AT4 Sierra through its paces. From the distinctive roar of the engine to the custom exterior enhancements, the ’Goliath 650’ is a true testament to Hennessey’s commitment to pushing the boundaries of automotive excellence. Learn all about the ’Goliath 650’ upgrade on the Hennessey Performance website: For more information please contact us: 979-885-1300 | Would you like to learn how to make fast cars faster? Check out Tuner School where our classroom includes a chassis dyno cell and a 1/4 mile dragstrip - all on the Hennessey Performance campus! 979-885-1300 | Hennessey Store: Instagram: Facebook: Twitter: