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The Hennessey GOLIATH® 700 ZR2 features a twin-screw supercharger with air-to-water intercooling and Hennessey engine management calibration. Upgrades to the 6.2-liter V8 powertrain boost output by 66% – 700 bhp at 5,500 rpm vs stock 420 bhp – while torque climbs to 611 lb-ft at 4,200 rpm (stock 460 lb-ft).
Hennessey® Performance, the Texas-based hypercar manufacturer and high-performance vehicle creator, is the home of the best upgrades and modifications package for 2026 Chevrolet Silverado ZR2’s, the GOLIATH 700.
Testing for all Hennessey® Performance models and modifications begin at the company’s headquarters in Sealy, Texas. Under the guidance of our Research and Development team, each Chevrolet Silverado ZR2’s upgrades and modifications are subjected to hundreds of hours of research and development. This helps guarantee that Hennessey® Performance modifications for Chevrolet Silverado ZR2’s enhance every aspect of the vehicle while retaining complete usability and manufacturer driving modes.
After lab-based evaluation, development moves to Hennessey® Performance’s various on-site dyno bays for live assessment. The final phase sees development models pound the Pennzoil Proving Ground at Hennessey® Performance’s headquarters to evaluate the 2026 Chevrolet Silverado ZR2 upgrades and modifications package in the real world. Even after each model line is signed-off, every customer vehicle undergoes its series of quality assurance tests, including a detailed test drive by Hennessey® Performance’s engineers.
Customer satisfaction is at the core of Hennessey® Performance’s Chevrolet Silverado ZR2 performance upgrades and modifications package. Emphasizing this point, the company provides a comprehensive warranty on each gas-powered Silverado ZR2 upgrade and modification to provide total peace of mind. Customers are also invited to the Texas HQ to see the final testing phase, with many experiencing their new 2026 Chevrolet Silverado ZR2 upgrade and modification for the first time on the Pennzoil Proving Grounds.
Performance
Hennessey® Performance, the Texas-based hypercar manufacturer and high-performance vehicle creator, is the home of the best upgrades and modifications package for 2026 Chevrolet Silverado ZR2's, the GOLIATH 700.
R&D
Testing for all Hennessey® Performance models and modifications begin at the company’s headquarters in Sealy, Texas. Under the guidance of our Research and Development team, each Chevrolet Silverado ZR2’s upgrades and modifications are subjected to hundreds of hours of research and development. This helps guarantee that Hennessey® Performance modifications for Chevrolet Silverado ZR2’s enhance every aspect of the vehicle while retaining complete usability and manufacturer driving modes.
Tuning
After lab-based evaluation, development moves to Hennessey® Performance’s various on-site dyno bays for live assessment. The final phase sees development models pound the Pennzoil Proving Ground at Hennessey® Performance’s headquarters to evaluate the 2026 Chevrolet Silverado ZR2 upgrades and modifications package in the real world. Even after each model line is signed-off, every customer vehicle undergoes its series of quality assurance tests, including a detailed test drive by Hennessey® Performance’s engineers.
Warranty
Customer satisfaction is at the core of Hennessey® Performance’s Chevrolet Silverado ZR2 performance upgrades and modifications package. Emphasizing this point, the company provides a comprehensive warranty on each gas-powered Silverado ZR2 upgrade and modification to provide total peace of mind. Customers are also invited to the Texas HQ to see the final testing phase, with many experiencing their new 2026 Chevrolet Silverado ZR2 upgrade and modification for the first time on the Pennzoil Proving Grounds.
Visually, the GOLIATH® 700 ZR2 is distinguished by a series of carbon fiber enhancements, most notably, the Hennessey team replaces the factory ZR2 hood applique with a functional carbon fiber hood vent that enhances airflow and improves engine-bay cooling. Hennessey Goliath steel front and rear bumpers, 20-inch Hennessey off-road wheels, 35-inch off-road tires, and integrated LED lighting further reinforce the truck’s aggressive stance and purpose-built capability.
Engineered to handle the toughest off-road conditions, this front bumper is designed to provide maximum protection for your upgraded Chevrolet Silverado ZR2 while making a bold statement on the trails.
Built with the same uncompromising quality and durability as their front counterparts. This rear bumper is designed to withstand impacts and resist corrosion.
The ultimate choice for those seeking exceptional performance and reliability. Built to withstand the toughest terrains, featuring aggressive tread patterns, reinforced sidewalls, and durable construction.
Capability is also enhanced with extensive chassis and suspension enhancements, including a BDS suspension upgrade and integrated Multimatic DSSV shocks, improving control, stability, and driver confidence both on pavement and off the beaten path.
Specifications
Hennessey’s newest creation delivers the style, presence, and muscle that finally gives Chevrolet buyers a factory-backed alternative to the Ford Raptor R and Ram TRX. With 700 supercharged horsepower, bold carbon-fibre detailing, and genuine off‑road hardware, it delivers the performance and attitude Silverado owners have been waiting for.
9281 SW I-10 Frontage Rd
Sealy, Texas 77474
Call Us:
Email Us:
sales@hennesseyperformance.com
Office Hours:
M-F: 8am – 7pm CST
Sat.: 10am – 4pm CST (Calls Only)
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