Katech LT4 CNC Supercharger Snout Porting Service | Designed for 103mm Throttle Bodies

Katech CNC-Porting your LT4 Supercharger Snout.. Offers 30 rwhp when combined with the new Katech CNC-Ported LT4 Supercharger and a Katech 103mm throttle body.

Please be sure to properly package your supercharger with plenty of bubble wrap protection on the corners. Please do not use packing peanuts.

We will disassemble, wash, CNC port, wash, reassemble and oil your supercharger so it is ready to bolt on when you receive it.

This is also a great time to change your supercharger pulley to create more boost.

See the services offered and the Griptech products below.

Mail-In Supercharger Snout 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 snout 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.

Turnaround Time

“Expected to ship” timelines shown online are estimates based on receiving your supercharger snout 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.