Edelbrock 3978 Victor EFI 4-Barrel Throttle Body 1.75" Bore

The Edelbrock Victor EFI 4-Barrel Throttle Body is engineered to complement Edelbrock's Victor EFI manifold lineup, delivering precise airflow control for electronic fuel injection systems. This high-quality throttle body features sand cast construction that is fully machined and assembled in-house by Edelbrock for superior fitment and reliability.

Key Features:

• 1.75-inch throttle bores for optimal airflow on street and performance applications
• Standard 4150-style square-bore carburetor bolt pattern for universal compatibility
• Includes Delphi/GM-style stepper IAC (Idle Air Control) motor for precise idle control
• Integrated TPS (Throttle Position Sensor) included
• Accepts standard 5-1/8-inch flange air cleaner assemblies
• Durable black powder-coated finish resists corrosion and provides a clean appearance
• Made in USA with Edelbrock quality and precision machining

This throttle body is designed for use with aftermarket EFI systems and provides a direct bolt-on solution for converting carbureted engines to electronic fuel injection or upgrading existing EFI setups. The included IAC motor and TPS eliminate the need to source these components separately, making installation straightforward.