Throttle Body #3978 For Universal 4-Barrel

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The Edelbrock #3978 Throttle Body. Victor EFI. 4-Barrel. 4150-Style Mounting Flange. 1.75" Bores. Includes GM-Style Stepper IAC Motor. Black Powder Coated Finish
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The Edelbrock #3978 Victor EFI 4-Barrel Throttle Body complements our Victor EFI line of manifolds. This throttle body mounts on a standard 4150-style square-bore carburetor bolt spacing. It is sand cast, fully machined, and assembled by Edelbrock. The #3978 has 1.75" Throttle Bores and accepts a Standard (5-1/8" Flange) Air Cleaner assembly. A Delphi/GM-Style Stepper Style IAC Motor and TPS are included. Black Powder Coated Finish

Documents & Installation Notes



Manufacturer Edelbrock
Throttle Position Sensor Included Yes
Application Universal
UPC 00085347039784
Idle Air Control Motor Included Yes
Throttle Position Sensor Included Yes
Series Universal 4-Barrel
Idle Air Control Motor Included Yes
Gasket Or Seal Included Yes
Quantity Sold Individually
Bore Diameter 1.75
Type 4 Barrel
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Finish Black Powder Coated
Material Aluminum