Hennessey Unveils 'GOLIATH 650' Supercharged Upgrade for GM's 6.2-Liter V8 Trucks

Dec 15, 2023 1 min read
Hennessey Unveils 'GOLIATH 650' Supercharged Upgrade for GM's 6.2-Liter V8 Trucks

It's a monster upgrade.

Hennessey, a renowned Texas-based hypercar manufacturer and high-performance vehicle creator, has recently unveiled a thrilling upgrade for General Motors' V8-powered pickups. Dubbed the 'GOLIATH 650,' this comprehensive enhancement package significantly boosts the performance of GM’s 6.2-liter V8 trucks, offering a substantial 55 percent increase in horsepower and a 43 percent increase in torque.

See horrifying vintage crash test videos here.

Designed for the factory Chevrolet Silverado and GMC Sierra pickups equipped with GM’s robust 6.2-liter V8 engine, the GOLIATH 650 upgrade transforms these already potent vehicles into powerhouses. The standard output of the engine is a respectable 420 horsepower and 460 lb-ft of torque. However, Hennessey's upgrades supercharge these figures to a remarkable 650 bhp and 658 lb-ft of torque. This substantial power increase is achieved through a series of meticulously engineered modifications and is backed by Hennessey's solid 3-year / 36,000-mile warranty.

The heart of the GOLIATH 650 upgrade lies in its robust 3.0-liter supercharger, complemented by a high-flow intake system, high-flow intercooler, and a specialized crankcase ventilation system. Hennessey also installs chromoly pushrods and enhances the engine management software with an HPE engine management calibration. A stainless-steel cat-back exhaust system, which retains the stock exhaust tips, is added to improve both performance and auditory experience.

For off-road enthusiasts, Hennessey offers the 'GOLIATH OFF-ROAD' package specifically for the GMC Sierra AT4. This package includes a custom front steel bumper with the 'GOLIATH' branding etched into it, an LED light bar, and LED driving lamps to enhance visibility in various driving conditions. The vehicle's stance is elevated with an off-road suspension upgrade, and it rides on Hennessey 20-inch aluminum wheels shod in 35-inch off-road tires, replacing the standard 18-inch wheels.

With this latest announcement, Hennessey continues its tradition of 'making fast cars faster' since 1991, unleashing the full potential of GM's engine and transforming these trucks into formidable on-road and off-road performers.

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