Katech LS 103MM Black Anodized Billet Throttle Body

Katech LS 103MM Black Anodized Billet Throttle Body

103MM Throttle Blade, GM Electronics, and a Black Anodized Billet Aluminum Body.

The Katech LS 103MM Black Anodized Billet Throttle Body combines GM electronics with a 5-axis CNC-milled inlet and a 103mm throttle blade. Its housing design provides additional pulley clearance in compatible supercharged engine configurations.

Application Requirements: Engine calibration is required. LS9 and LSA applications also require port matching.

Features & Benefits

• Black Anodized Finish
• Billet Aluminum Construction
• 103MM Throttle Blade
• 5-Axis CNC-Milled Inlet
• GM Electronics
• Additional Pulley Clearance in Compatible Supercharged Applications

Technical Specifications

• Product Type: Electronic Throttle Body
• Body Material: Billet Aluminum
• Finish: Black Anodized
• Throttle Blade Diameter: 103MM
• Electronics: GM Electronics

What's Included

• One Katech LS 103MM Black Anodized Billet Throttle Body

Engine Fitment

• GM LS2
• GM LS3
• GM LS7
• GM LS9 — Port Matching Required
• GM LSA — Port Matching Required
• GM L99
• GM L76

Fitment depends on the installed intake manifold or supercharger inlet, electrical connections, and surrounding components. Engine designation alone does not establish compatibility with every configuration.

Installation & Compatibility Notes

• Verify Throttle Body Mounting and Inlet Compatibility
• Confirm Electrical Connector and Intake Connection Compatibility
• Check Throttle Blade Clearance and Sealing Surfaces
• Verify Clearance to the Supercharger Pulley and Belt Drive Where Applicable

Why Choose Katech

The Katech LS 103MM Black Anodized Billet Throttle Body brings together a CNC-milled inlet, GM electronics, and a housing designed with supercharger pulley clearance in mind. Its black finish offers a coordinated appearance for compatible LS engine builds.

For intake, supercharger, and port-matching compatibility questions, contact Katech Technical Sales at 586-791-4120.