EFI Fuel Tank Kit with 400 LPH Pump for 1964 Pontiac GTO LS and LT
When swapping a 1964 Pontiac GTO to LS or LT power, the 1964 Pontiac GTO EFI Fuel Tank Kit - 400 LPH Pump optimizes fuel flow for classic chassis. This kit features a in-tank fuel pump module with a 400 LPH pump rated for over 550 hp and an OEM-style direct fit at frame points. The sending unit is calibrated to replicate the classic resistance curve for precise gauge feedback. A filler neck, tank straps, vent filter and sealing gaskets are included with installation hardware for a simple, complete assembly. All components are engineered and assembled in the USA for GTO, Lemans and Tempest chassis and plug into the stock wiring harness for immediate operation.
Overview
The 1964 Pontiac GTO EFI Fuel Tank Kit with a 400 LPH pump delivers a modern fuel delivery system for classic GTO, Lemans and Tempest models. This kit centers on a high-performance 400 LPH Walbro pump that supports supercharged engines and setups above 550 horsepower with consistent pressure and reliable flow. A precision engineered sending unit ensures true stock gauge readings, eliminating guesswork behind the wheel. Every component from the vent filter to the sealing gaskets is selected to maintain clean fuel flow and to prevent debris from entering the fuel system. Engineered and assembled in the USA, this kit combines American craftsmanship with race grade components for a worry free conversion.
Design and Fitment
Designed specifically for the 1964 Pontiac GTO chassis, this EFI tank kit installs without modification to the factory mounting points. The tank shell follows the original contours and lines, providing the same clearance and support as the stock tank. Each sealing gasket is cut to match the factory flange and the vent filter is built to OEM standards for a secure, leak free seal. By preserving the original layout, the kit removes guesswork during installation and saves time in the shop. Its drop in nature means installers can follow the service manual steps for a straightforward setup that maintains the look and feel of the original fuel system.
Technical Integration
Integration with MuscleRods mounting solutions ensures that engine to transmission alignment remains factory correct when performing an EFI swap. Proper placement of the tank within the frame rails guarantees optimal drain angles and return line routing in high demand scenarios. The seamless interaction between this fuel tank kit and MuscleRods hardware means the engine bay stays tidy and functional, without workarounds or custom brackets. This alignment precision is critical in high output applications where even minor misalignment can translate to fuel delivery issues or unwanted stress on lines and fittings.
To handle lighter fuel flow requirements, consider our 1964 Pontiac GTO EFI Fuel Tank Kit - 255 LPH Pump as a Smaller capacity fuel pump Kit at 255 LPH.