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Katech LT4 Supercharger CNC Porting Service
Katech LT4 Supercharger CNC Porting Service
Reduce inlet restriction. Increase airflow. Unlock the full potential of your LT4 supercharger system.
Katech Engineering’s LT4 Supercharger CNC Porting Service is designed to reduce inlet restriction and improve airflow through the factory LT4 supercharger using Katech-developed CNC porting profiles. This service supports Corvette Z06, Camaro ZL1, and other LT4-equipped platforms seeking improved airflow and performance.
When combined with proper calibration and supporting modifications, this service has demonstrated gains of up to 30 rear-wheel horsepower (rwhp) in optimized configurations.
Mail-In Supercharger Porting Service
Katech offers this as a mail-in CNC porting service, providing access to race-proven airflow development.
- Remove the supercharger assembly from the vehicle
- Remove the throttle body, bypass valve, and crossover tube
- Print and include your order confirmation
- Ship your supercharger to:
Katech Engineering
Attn: CNC Porting Department
24324 Sorrentino Ct.
Clinton Township, MI 48035
Packaging Requirements
- Use a heavy-duty box with adequate spacing
- Protect all corners and sealing surfaces with dense padding or bubble wrap
- Ensure the unit is securely immobilized inside the package
Shipping & Insurance
Customers are responsible for properly packaging and insuring their supercharger during transit to Katech Engineering. We strongly recommend purchasing full replacement-value shipping insurance and using a trackable shipping method.
Katech Engineering is not responsible for damage or loss incurred during inbound shipping.
Katech CNC Porting Process
- Complete disassembly and inspection
- Multi-stage cleaning process
- CNC-machined porting of inlet and airflow-critical regions using Katech-developed profiles
- Final cleaning and debris removal
- Reassembly and lubrication
Your supercharger is returned assembled and prepared for installation with appropriate gaskets, hardware, and calibration.
Performance Notes
- Up to 30 rwhp gains in optimized configurations
- Results will vary based on airflow setup, boost level, and calibration
- Professional calibration is required
Recommended Supporting Upgrades
For best results, Katech recommends pairing this service with:
- Katech CNC Supercharger Snout Porting Service
Porting the supercharger snout helps reduce inlet restriction and improve airflow into the supercharger system, supporting increased performance when combined with proper calibration.
Turnaround Time
“Expected to ship” timelines shown online are estimates based on receiving your supercharger within 5 business days of order placement. Actual turnaround time may vary depending on current production volume.
Contact our sales team for current lead times and scheduling availability.
Why Choose Katech Engineering
Since 1977, Katech Engineering has delivered race-proven performance through precision CNC machining, advanced engine development, and championship-winning motorsports programs. Built for durability, consistency, and measurable results.
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