Edelbrock · New
Edelbrock Throttle Body 4-Barrel 4150 Style Flange 1 75In Bores Includes Gm/DeLPHi Iac
MPN 3978 · Store SKU ede3978
Supplier stock checked 11/7/2026, 5:17:39 AM UTC. Adding a part does not reserve it.
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Product details
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 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 THROTTLE BODY 4-BARREL 4150 STYLE FLANGE 1.75in. BORES INCLUDES GM/DELPHI IAC BLK POWDER COAT FINISH Throttle Body
Manufacturer fitment & guides
Check 3978 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
