Katech C7 ZR1 Corvette Stage 2 875HP Installed Performance Package
Price: $7199.99
Power Target: 875HP
Description
Katech C7 ZR1 Corvette Stage 2 875HP Installed Performance Package
875 HP Supercharged LT5 Performance with Halltech Cold Air Intake, Katech CNC-Ported Throttle Body, and GripTec Supercharger Pulley Upgrades!
Professionally Installed and Dyno-Tested Performance for the GM LT5
The Katech C7 ZR1 Corvette Stage 2 875HP Installed Performance Package is a professionally engineered performance upgrade designed to deliver 875 horsepower from the factory-supercharged GM LT5 6.2L V8. Developed specifically for the 2019 Chevrolet Corvette ZR1, this package combines improved induction airflow, an upgraded supercharger drive system, cooling system components, and custom ECU calibration to enhance the performance of Chevrolet's flagship C7 Corvette.
Building upon the Stage 1 performance combination, Stage 2 adds a GripTec 2.90-inch upper supercharger pulley, GripTec supercharger hub, and Gates HD belt. These components are designed to increase supercharger speed and boost potential while improving belt engagement under increased operating demands. The Halltech Stinger RZ cold air intake and Katech CNC-ported 95mm LT5 throttle body complement the upgraded pulley system by improving airflow into the factory supercharger.
The package also includes a Katech billet thermostat housing, 160-degree thermostat, and supporting wideband oxygen sensor hardware for calibration. The factory E99 engine control module receives the required HP Tuners unlock, allowing Katech to perform custom ECU calibration tailored to the increased airflow and supercharger output.
Every Stage 2 package includes professional installation, baseline dyno testing, chassis dyno calibration, street drivability calibration, and a serialized Katech plaque. The result is a comprehensive performance upgrade that delivers substantial horsepower gains while retaining the factory LT5 supercharger and internal engine architecture.
Recommended Upgrade: Upgraded headers are highly recommended for this package to complement the increased airflow and performance demands of the Stage 2 combination. Headers are available for purchase as an optional add-on through Katech Engineering.
Specifications
| Vehicle Platform | 2019 Chevrolet Corvette C7 ZR1 |
| Engine Platform | GM LT5 6.2L Supercharged V8 |
| Engine Configuration | Factory Supercharged |
| Supercharger System | Factory LT5 Supercharger |
| Package Output | 875 HP |
| Cold Air Intake | Halltech Stinger RZ |
| Throttle Body | Katech CNC-Ported 95mm LT5 |
| Supercharger Pulley | GripTec 2.90-Inch Upper Pulley |
| Supercharger Hub | GripTec |
| Supercharger Belt | Gates HD |
| ECU | GM E99 with HP Tuners Unlock |
| Package Type | Stage 2 Intake, Throttle Body, Supercharger Pulley and ECU Calibration Package |
| Installation | Performed by Katech Engineering, Clinton Township, Michigan |
| ECU Calibration | Included |
| Chassis Dyno Calibration | Included |
| Street Drivability Calibration | Included |
| Recommended Add-On | Upgraded Headers – Highly Recommended, Sold Separately |
| Limited Warranty | 1 Year / 12,000 Miles – See Terms for Details |
Performance Highlights
- 875 HP Supercharged LT5 Performance
- Designed Specifically for the 2019 C7 Corvette ZR1
- Halltech Stinger RZ Cold Air Intake
- Katech CNC-Ported 95mm LT5 Throttle Body
- GripTec 2.90-Inch Upper Supercharger Pulley
- GripTec Supercharger Hub
- Gates HD Supercharger Belt
- Increased Supercharger Speed and Boost Potential
- Improved Supercharger Belt Engagement
- Improved Induction Airflow
- Enhanced Throttle Response
- Retains Factory LT5 Supercharger
- No Internal Engine Modifications Required
- Katech Billet Thermostat Housing
- 160-Degree Thermostat
- Wideband O2 Sensor Bung, Plug and Washer
- HP Tuners E99 ZR1 ECU Unlock
- HP Tuners Credits Included
- Custom ECU Calibration
- Baseline Dyno Testing
- Chassis Dyno Calibration and Validation
- Street Drivability Calibration
- C7 ZR1 Corvette Katech Serialized Plaque
- Professional Installation by Katech Engineering
- 1-Year / 12,000-Mile Katech Limited Warranty
Is This Package Right for You?
The Stage 2 875HP Installed Performance Package is designed for 2019 Corvette ZR1 owners who want to extract additional horsepower and torque from the factory LT5 supercharger without extensive internal engine modifications. By combining the Halltech Stinger RZ cold air intake, Katech CNC-ported throttle body, and GripTec 2.90-inch supercharger pulley system, Stage 2 improves induction airflow and increases the performance potential of the factory supercharger.
This package is ideal for enthusiasts seeking stronger acceleration, increased passing power, and improved throttle response while retaining the factory LT5 camshaft, cylinder heads, and supercharger. Professional installation, custom ECU calibration, and dyno validation help integrate the upgrades into a complete performance combination.
- 875 HP Supercharged Performance
- Substantial Horsepower and Torque Gains
- Increased Supercharger Speed and Boost Potential
- Improved Induction Airflow
- Enhanced Throttle Response
- Stronger Acceleration and Passing Performance
- Upgraded Supercharger Drive Components
- Retains the Factory LT5 Supercharger
- No Camshaft or Cylinder Head Modifications Required
- Professional Installation and Dyno Testing
- A Complete Katech-Installed LT5 Performance Solution
What's Included
Airflow and Induction
- Halltech Stinger RZ Cold Air Intake
- Katech CNC-Ported 95mm LT5 Throttle Body
Supercharger Drive System
- GripTec 2.90-Inch Upper Supercharger Pulley
- GripTec Supercharger Hub
- Gates HD Supercharger Belt
Cooling System Upgrades
- Katech Billet Thermostat Housing
- 160-Degree Thermostat
Wideband Tuning Components
- Wideband O2 Bung
- O2 Plug
- O2 Washer
ECU Unlock, Calibration and Validation
- HP Tuners E99 ZR1 ECU Unlock
- HP Tuners Credits
- Baseline Dyno
- Chassis Dyno Calibration
- Street Drivability Calibration
Installation and Finishing Details
- Professional Installation
- Miscellaneous Shop Supplies
- C7 ZR1 Corvette Katech Serialized Plaque
- 1-Year / 12,000-Mile Katech Limited Warranty – See Terms for Details
The Katech Installation Process
Vehicle Inspection
Each vehicle is inspected before installation begins to identify any mechanical concerns that should be addressed before modification. This initial evaluation helps establish a foundation for the completed Stage 2 performance package.
Baseline Dyno Testing
Baseline chassis dyno testing is performed before modifications to document incoming vehicle performance and establish a reference point for evaluating the completed package.
Cold Air Intake Installation
The Halltech Stinger RZ cold air intake is installed to improve airflow into the factory LT5 supercharger system. Designed for the C7 Corvette ZR1, this intake supports the increased airflow requirements of the Stage 2 performance combination.
Katech CNC-Ported Throttle Body Installation
The factory LT5 throttle body is upgraded with a Katech CNC-ported 95mm unit. The porting process is designed to optimize airflow through the throttle body while retaining its original 95mm architecture, complementing the Halltech cold air intake and factory supercharger.
Supercharger Pulley and Belt Installation
The factory LT5 supercharger drive system is upgraded with a GripTec 2.90-inch upper pulley, GripTec supercharger hub, and Gates HD belt. The upgraded pulley configuration is designed to increase supercharger speed and boost potential, while the Gates HD belt supports dependable operation of the modified drive system.
Cooling System Upgrades
A Katech billet thermostat housing and 160-degree thermostat are installed as part of the package. These components modify the engine coolant thermostat configuration to support the completed performance combination.
HP Tuners E99 ECU Unlock
The factory LT5 E99 engine control module requires an unlock before custom tuning can be performed using HP Tuners software. The Stage 2 package includes this unlock service and the required HP Tuners credits, allowing Katech to calibrate the factory ECU for the upgraded induction and supercharger drive system.
ECU Calibration
Following the ECU unlock, Katech develops a custom calibration appropriate for the Stage 2 875HP performance combination. Calibration is tailored to the Halltech intake, CNC-ported LT5 throttle body, GripTec pulley configuration, and overall operation of the factory-supercharged LT5 engine.
Dyno Calibration and Validation
After installation, the vehicle receives chassis dyno calibration and performance validation. Dyno testing is used to evaluate the completed package, refine calibration, and compare performance against the original baseline results.
Street Drivability Calibration
Following dyno calibration, the vehicle receives street drivability calibration to refine throttle response, idle quality, part-throttle operation, and general driving characteristics. The objective is to deliver increased performance while maintaining usable street-driving characteristics.
The Katech Difference
Katech Engineering has been developing, machining, assembling, and validating high-performance engines and components since 1977. From professional motorsports programs to premium street performance packages, Katech focuses on complete engineered systems rather than random combinations of parts.
The Stage 2 875HP package takes advantage of Katech's engine development, precision CNC machining, professional installation, ECU calibration, and chassis dyno validation capabilities to deliver a complete performance upgrade for the LT5-powered Corvette ZR1.
Every Katech Installed Performance Package is built around professional installation, calibration, validation, and support from the Katech team.
Recommended Upgrades
Upgraded Headers – Highly Recommended
Upgraded headers are highly recommended for the Katech Stage 2 C7 ZR1 875HP Performance Package. With increased supercharger speed and airflow, improved exhaust flow can help reduce exhaust restriction and complement the performance of the upgraded LT5 engine.
Headers are available for purchase as an optional add-on through Katech Engineering and are not included in the standard Stage 2 package. Contact a Katech Performance Specialist to discuss available header options, compatibility, pricing, and installation.
Frequently Asked Questions
▾ Does this package include installation?
Yes. All listed parts are professionally installed by Katech Engineering as part of the Stage 2 package.
▾ How much horsepower does the Stage 2 package make?
The Stage 2 package is rated at 875 engine horsepower in the specified configuration. Actual output may vary based on vehicle condition, fuel quality, environmental conditions, and other factors.
▾ What vehicles are compatible with this package?
This package is designed specifically for the 2019 Chevrolet Corvette C7 ZR1 equipped with the factory-supercharged GM LT5 6.2L V8 engine.
▾ Does this package replace the factory supercharger?
No. The Stage 2 package retains the factory LT5 supercharger while upgrading its upper pulley, hub, and belt to increase supercharger speed and boost potential.
▾ What is the difference between Stage 1 800HP and Stage 2 875HP?
The Stage 1 800HP package focuses on improved induction airflow through a Halltech Stinger RZ cold air intake, Katech CNC-ported LT5 throttle body, and custom ECU calibration. Stage 2 adds a GripTec 2.90-inch upper supercharger pulley, GripTec hub, and Gates HD belt to increase the performance potential of the factory supercharger.
▾ What is the benefit of the GripTec 2.90-inch upper pulley?
The GripTec 2.90-inch upper pulley is designed to increase supercharger speed compared to the factory configuration, supporting increased boost and horsepower potential. Its traction-focused design is intended to improve belt engagement.
▾ Why is a Gates HD belt included?
The Gates HD belt supports the upgraded supercharger drive configuration and is designed for dependable operation under increased operating demands.
▾ Are headers included in the Stage 2 package?
No. Upgraded headers are not included in the standard Stage 2 package. However, they are highly recommended and available for purchase as an optional add-on through Katech Engineering.
▾ Why are headers recommended for this package?
With increased supercharger speed and engine airflow, upgraded headers can help improve exhaust flow and reduce restriction. They are a recommended supporting modification for the Stage 2 875HP performance combination.
▾ Does this package require internal engine modifications?
No. The Stage 2 package focuses on intake, throttle body, supercharger pulley, cooling system, and ECU calibration upgrades without requiring camshaft or cylinder head modifications.
▾ Why is an HP Tuners E99 ECU unlock required?
The factory LT5 E99 engine control module requires an unlock before custom tuning can be performed using HP Tuners software. This package includes the required unlock and HP Tuners credits.
▾ Will my C7 ZR1 sound different after installation?
The Halltech Stinger RZ intake and upgraded supercharger pulley may increase induction and supercharger sounds compared to the factory configuration. Since the factory camshaft is retained, idle characteristics should remain relatively close to stock. Optional headers may further change the exhaust sound.
▾ Is the advertised horsepower figure measured at the rear wheels?
No. The advertised 875 horsepower figure represents engine horsepower rather than rear-wheel horsepower.
▾ Is tuning included?
Yes. The package includes the HP Tuners E99 ZR1 ECU unlock, HP Tuners credits, custom ECU calibration, chassis dyno calibration, and street drivability calibration.
▾ Is baseline dyno testing included?
Yes. Baseline chassis dyno testing is included to document vehicle performance before installation and provide a reference for evaluating the completed package.
▾ Does this package include a warranty?
Yes. The Stage 2 package includes a 1-year / 12,000-mile Katech limited warranty. See Katech warranty terms and conditions for complete coverage details, limitations, and exclusions.
Important Information
Package contents may vary as engineering improvements and component updates become available. Advertised horsepower represents engine horsepower for the specified package configuration. Actual results may vary based on vehicle condition, fuel quality, environmental conditions, and other factors.
The Stage 2 package retains the factory LT5 supercharger, camshaft, and cylinder heads. The package focuses on improved induction airflow, supercharger drive upgrades, cooling system modifications, and ECU calibration.
Upgraded headers are highly recommended and available for purchase separately as an optional add-on. Headers are not included in the standard package price.
Emissions compliance and eligibility for public-road use depend on applicable federal, state, and local regulations. Customers should confirm compliance requirements before purchase and installation, including for optional headers.
The HP Tuners E99 ECU unlock is included as part of the package. ECU unlocking and calibration may affect factory software functionality, manufacturer warranty coverage, and future dealership programming procedures.
If additional repairs or recommendations are identified during inspection or installation, Katech will contact the customer before performing additional work.
The included 1-year / 12,000-mile Katech limited warranty is subject to applicable Katech warranty terms, conditions, limitations, and exclusions. See warranty terms for complete details.
Please contact a Katech Performance Specialist for current pricing, scheduling availability, compatibility, optional headers, and package options.
Ready to Upgrade Your C7 ZR1 Corvette?
Contact Katech Engineering to discuss your performance goals and schedule your C7 ZR1 Corvette Stage 2 875HP Installed Performance Package.
Call: (586) 791-4120
Email: sales@katechengines.com
Details
- KAT-C7ZR1-2
- KAT-C7ZR1-2
- Katech Engineering
- New
Shipping Information
- Item Requires Shipping
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