LS and LT EFI Fuel Tank Kit with 400 LPH Pump for 1964-1967 Oldsmobile Cutlass
When swapping an LS or LT into a Cutlass from 1964 through 1967, maintaining consistent fuel flow under heavy throttle is essential and this EFI fuel tank kit with a 400 LPH pump delivers steady pressure in supercharged applications above 550 horsepower. A precision sending unit follows the factory resistance curve for accurate gauge readings from full to empty so you can rely on level readouts during spirited driving. Installation stays straightforward thanks to hardware that lines up with the chassis recess and includes tank straps, gaskets, and a vent filter that slip into the factory openings without extra welding or cutting.
Installation Simplicity for 1964 to 1967 Cutlass A Body
The EFI tank kit is engineered to slip into the factory recess of your Cutlass frame without extra welding or cutting, making installation straightforward for restorers and fabricators alike. Included tank straps, gaskets and mounting hardware align precisely with original chassis points, so you can secure the assembly using existing openings. The vent filter and filler neck drop in through factory holes, preserving underbody appearance while eliminating the need for custom modifications. This streamlined process saves time and reduces labor cost so you can focus on tuning the engine swap.
Reliable High Volume Fuel Delivery
At the heart of this system is the Walbro pump delivering 400 liters per hour, ensuring steady fuel supply even under heavy throttle or extended track runs. Submerged placement within the tank minimizes heat soak, which extends pump life and maintains consistent pressure during spirited driving. Its capacity easily supports supercharged engines or powerplants producing 550 horsepower or more, preventing fuel starvation at high rpm. This design choice balances flow rate and durability for both street and competition applications.
Precision Gauge Integration for Fuel Monitoring
The sending unit is calibrated to follow the factory resistance curve found in original Oldsmobile instruments, guaranteeing accurate level readings from full to empty. Its smooth float mechanism operates reliably over a wide range of fuel depths, so you can trust your gauge during long cruises or hard launches. By replicating the stock electrical characteristics, this unit eliminates the erratic readings often seen with retrofit systems. Drivers gain peace of mind knowing exact fuel status at all times.
American Built Quality and Durability
Every component of this fuel tank kit is manufactured in the United States under strict quality control standards, reflecting a commitment to craftsmanship and reliability. The pump module and sending unit undergo rigorous testing for performance and longevity, while all hardware meets industry grade specifications for corrosion resistance. This focus on domestic production ensures consistent part quality and availability, reinforcing confidence in your engine swap project. The result is a solution that honors classic styling while delivering modern dependability.
Count on consistent fuel flow and precise gauge performance. For a smaller capacity fuel pump kit at 255 LPH see our 1964-1967 Cutlass EFI Fuel Tank Kit - 255 LPH Pump.