Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Holley EFI In-Tank Fuel Pump Module; 255 LPH (75-77 Corvette C3)Find parts that fit my vehicle
Item EK-25-902732
Our Price
$337.95 each
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- In-Tank Fuel Pump Module For 1975-1977 Chevrolet Corvette C3 Models
- Supports Up To 550 Horsepower
- Flows 255 Liters Per Hour (LPH)
- Internally Regulated To 58 Psi
- Includes Pre-Calibrated Fuel-Level Sending Unit Compatible With Factory Fuel Gauge (0-90 Ohms)
- Features HydraMat Patent-Pending Fuel Reservoir System To Reduce Fuel Starvation During Corners, Braking, and Inclines
- Single Outlet With 3/8 Inch Outside Diameter
- Single Inlet With 5/16 Inch Diameter
- Includes Fuel Filter, Strainer, Gasket Or Seal, Lock Ring, Fuel Sending Unit, Regulator, And Wire Harness
- Designed As Direct Replacement For Factory Pick-Up And Sending Unit Without Need For Custom Tank Fabrication
- Compatible With Chevrolet Small Block Gen I 350/5.7L V8 Engine
- Built With Steel And Plastic Materials
- Designed For Gasoline Fuel Type
- Negative Ground Electrical System
- Warranty Coverage: Manufacturer's Limited 90 Day Warranty
- Specific Fitment For 1975-1977 Corvette C3 Muscle Cars
Description
High-Performance Fuel Module. The Holley EFI In-Tank Fuel Pump Module, flowing 255 LPH, is engineered to deliver reliable fuel flow for EFI engines making up to 550 horsepower. It supplies stable, high-pressure fuel directly inside the tank with an internal regulator, eliminating the need for external components and helping to ensure optimal engine performance under various driving conditions.
Robust Construction And Quality Materials. This module is constructed from durable steel and plastic components designed to withstand automotive fuel environments. It includes a patented HydraMat reservoir system that enhances fuel availability while protecting against contaminants, and is designed to integrate with the existing Chevrolet Corvette fuel system without modifications.
Installation Requirements. Installation is straightforward and does not require custom fuel tank fabrication or drilling. It connects directly to the factory hard fuel line using EFI-rated hose and clamps, making it an efficient upgrade for muscle car enthusiasts.
Warranty Coverage. Comes with a manufacturer’s limited 90-day warranty to ensure quality and reliability.
Application. Specifically designed to fit 1975-1977 Chevrolet Corvette C3 models equipped with the Small Block Gen I 350/5.7L V8 engine. The included pre-calibrated fuel-level sending unit works with the factory fuel gauge and systems without additional modifications.
Holley EFI 12-312
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) EFI In-Tank Fuel Pump Module
- Fuel Sock, Hardware, and Instructions
Questions & Answers
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