Vortech Superchargers Supercharging System w/ V-3 Si-Trim & Charge Cooler - Satin (2008 6.2L Hummer H2) 4GL218-330L
Satin V-3 Si-Trim Supercharging System with Air-to-Water Charge Cooler for 2008 Hummer H2
The Vortech Superchargers Supercharging System (PN 4GL218-330L) is a complete forced-induction upgrade designed to unlock serious performance from the 2008 Hummer H2 equipped with the 6.2L V8. Featuring a satin-finished V-3 Si-Trim centrifugal supercharger paired with a high-capacity air-to-water charge cooler, this system delivers robust power and torque increases while maintaining solid drivability and build quality.
This turn-key supercharger system has been engineered to bolt on cleanly to your H2's engine and deliver noticeable gains across the rpm range. The integrated charge cooler promotes cooler, denser intake air, helping improve performance and reduce detonation risk under boost.
V-3 Si-Trim Supercharger Technology
The V-3 Si-Trim centrifugal supercharger represents Vortech's advanced self-contained design with patented internal oil control and high-efficiency compressor technology. With optimized flow characteristics and a durable lubrication strategy, this supercharger provides strong airflow and power capability while reducing heat and parasitic loss compared to conventional units - resulting in increased torque and horsepower output without excessive intake temperatures.
This supercharger utilizes an efficient impeller and compressor housing developed with Vortech's industry-leading engineering standards, making it suitable for street, towing, and light-performance use with proper supporting tune and fuel system upgrades. :contentReference[oaicite:0]{index=0}
Performance Gains
Specifically tuned for the H2's 6.2L V8, this system has been shown to increase output significantly over stock figures. Typical results for this kit on similar GM 6.2L applications include:
- Estimated horsepower: Up to ~543 HP at the flywheel
- Estimated torque: Up to ~539 lb-ft
These gains come through a complete supercharging package that integrates fuel system enhancements, advanced tuning hardware, and a closed-loop charge cooling system for more consistent performance. :contentReference[oaicite:1]{index=1}
Complete System Configuration
This is a true complete supercharging system - engineered as a matched package for power and reliability. In addition to the supercharger and intercooler, the system includes the necessary brackets, drive belts, piston-friendly fuel components, and tuning interface for your specific H2 application. :contentReference[oaicite:2]{index=2}
Included Components & Features
- V-3 Si-Trim centrifugal supercharger (self-contained oil system)
- Air-to-water charge cooling system with core, pump, and plumbing
- High-output fuel injectors and handheld ECU tuner/programmer
- Molded inlet ducting with OEM-style finish
- Factory appearing cast aluminum mounting brackets and hardware
- Heat-resistant silicone sleeves and premium stainless steel clamps
- High-flow bypass valve for efficient boost control
Installation Notes
- Estimated installation time: Professional install recommended (typically weekend-length)
- Custom ECU calibration required for proper fuel and ignition tuning
- Supporting fuel system upgrades may be needed beyond injectors depending on boost goals
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 4GL218-330L
- Application: 2008 Hummer H2 6.2L V8
- System Type: Complete Supercharging System
- Supercharger: V-3 Si-Trim (Self-Contained)
- Charge Cooler: Air-to-Water
- Finish: Satin
- Estimated Power Gain: ~543 HP / ~539 lb-ft
Emissions & Legal Notice
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
- For off-road and competition use only
- Installation on emissions-controlled vehicles driven on public roads may violate U.S. federal emissions law
Fitment
- 2008 Hummer H2 6.2L V8
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with deep expertise supporting full-size truck and SUV supercharging builds. From correct component selection to full tuning support, we help ensure your Hummer H2 performs reliably and powerfully for years to come.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
