Holley 12-378 EFI Fuel Tank Module - 350 LPH - 1973-1987 GM C/K Series

In-tank fuel pump module for 1973-1987 GM C/K Series. Supports Up To 750 Horsepower.

Part Number: 12-378

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 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 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 1973-1987 GM C/K Series 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 350 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.

Features and Benefits

• Supports up to 750 horsepower (HP)
• Flows 350 liters per hour (LPH)
• Internally regulated to 58 PSI
• Included HydraMat patent-pending fuel reservoir system that reduces fuel starvation issues

This pump module is compatible with 1973-1986 fuel tanks that do not have the fuel injection baffles (GM11B style). If you have the 1987 (GM11C) tank, you will have to use the earlier non-fuel injection tank. The pump is not compatible for use with PWM (Pulse-width Modulation)