Holley 12-312 - EFI Fuel Tank Pump Module, 255 LPH, For Corvette 1975-1977

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  • HLY-12-312
  • In-tank fuel pump module for 1975-1977 Chevrolet Corvette. Supports Up To 550 Horsepower.
This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and... more
Holley 12-312 - EFI Fuel Tank Pump Module, 255 LPH, For Corvette 1975-1977

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a HydraMat filter which has a unique internal reservoir that keeps fuel available at the pick-up and also provides protection from contaminates.

The fuel pressure is internally regulated to 58 psi eliminating the added expense and effort of purchasing and installing an external fuel pressure regulator - no separate return line is required because this module returns excess fuel right inside the tank! This Corvette 1975-1977 Muscle Car EFI Fuel Pump module was designed as a direct replacement for your factory pick-up and sending unit. There is no need to purchase a custom EFI fuel tank. You can even retain the factory fuel hard line - just connect the outlet of the pump module to the hard line on your vehicle with EFI-rated fuel hose and hose clamps available in the Earls Vapor Guard line. This Muscle Car EFI Module includes a 255 LPH fuel pump and a Holley HydraMat. HydraMat is an amazing patent-pending fuel reservoir system that reduces fuel starvation issues that might otherwise occur while cornering, accelerating, stopping, traversing inclines, and during low fuel conditions. 

  • Supports up to 550 Horsepower
  • The module incorporates a pre-calibrated fuel-level sending unit, specifically engineered to seamlessly interface with the vehicle's existing factory fuel gauge.
  • Holley provides a HydraMat featuring a distinctive internal reservoir to ensure a constant fuel supply at the pick-up point, while also offering safeguarding against contaminants.
  • Internal regulation sets the fuel pressure at a predetermined 58 psi, eliminating the need for an additional investment in an external fuel pressure regulator.
  • The system operates without requiring a return line, as all returning fuel is managed internally within the tank.
Car - Make: Chevrolet
Car - Model: Chevrolet Corvette 1975-1977
Flow Rate: 67 GPH/ 255 LPH
Fuel Pressure: 58 psi Preset
Fuel Sending Unit Ohms: 0-90 Ohms
Max HP Rating: 550
Related links
Documentation... more
Installation Notes
    • The pump is not compatible for use with PWM (Pulse-width Modulation)
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