1970-1972 Oldsmobile Cutlass EFI Fuel Tank Kit for LS and LT Swaps
Dropping an LS or LT under the hood of a 1970 through 1972 Oldsmobile Cutlass calls for a fuel tank that sidesteps clearance conflicts and holds stable pressure under aggressive throttle. This kit pairs a notched shell with a 400 LPH pump to carve space for tube headers and wider tires without altering factory frame rails. Installers will find the sending unit integrated into the pump housing delivers precise fuel level feedback under acceleration cornering or braking and helps maintain consistent flow for high demand powerplants. Every component from the filler neck to mounting straps is included for a straightforward swap in your Cutlass build.
Custom Notched Tank Geometry for Header Tube and Tire Fitment
A custom notch cut into the rear contour of the fuel tank creates the space needed for modern tube headers and wide rear tires while preserving the original floor height. This strategic shaping leaves the frame rails untouched so A Body suspension geometry remains factory correct, maintaining handling balance throughout the chassis. By avoiding contact at full jounce or deep cornering you prevent abrasion on exhaust tubes and sidewalls. Installers can bolt in the tank using existing mounts and say goodbye to time consuming metal work during a swap.
400 LPH Walbro Pump Supporting Up to 550 Horsepower Applications
The heart of this kit is a Walbro pump calibrated to deliver 400 liters per hour, meeting the fuel flow demands of LS and LT engines cranking out 550 horsepower or more. Its high capacity ensures stable pressure under wide open throttle and spirited driving, reducing the risk of vapor lock or fuel starvation when the engine draws heavy duty fuel. Internally balanced rotor and housing components minimize noise and vibration, contributing to both reliability and driver comfort. This level of performance supports supercharged setups as well as naturally aspirated builds with equal ease.
Integrated Sending Unit for Unwavering Fuel Level Accuracy
Incorporating the fuel level sender into the pump module both shortens wiring runs and shields sensitive electronics from heat and vibration. This single assembly cuts down on connector count and secures the sensor deep inside the tank where fuel slosh has less impact on float movement. The result is stable gauge readings during acceleration braking or cornering, and installers enjoy a cleaner harness layout with fewer potential leak points. Drivers then benefit from precise monitoring so fuel range anxiety is a thing of the past.
Complete Kit Components Streamline A Body Swap
Every part needed for a proper EFI swap in a 1970 through 1972 Oldsmobile Cutlass comes in this kit, from the pump module and sending unit to the filler neck, vent filter, straps, gaskets and mounting hardware. Because each piece is matched to the tank geometry and chassis layout, there is no guesswork fitting aftermarket pieces. Builders save hours sourcing fittings or modifying lines and avoid last minute delays at the garage. The outcome is a straightforward install that keeps even complex builds on schedule.
Count on this kit for a precise fit and stable fuel delivery in your Oldsmobile Cutlass swap. For a smaller capacity fuel pump Kit at 255 LPH see our 1970-1972 Cutlass 255 LPH pump Tank Kit (notched).