LS-Compatible EFI Fuel Tank Kit for 1971-1972 Pontiac GTO and Lemans A-Body
Installing an LS powerplant in a 1971 to 1972 Pontiac GTO or Lemans for an EFI conversion often demands more underbody room than stock tanks allow and this notched steel design restores clearances while keeping mounting points in place. By wrapping the steel shell around tire wells and exhaust runs, the kit fits the original frame rails without trimming or extra brackets and supports a 255 LPH pump that stays submerged for cooler operation. With precise fitment for the A Body chassis and complete hardware for fuel lines, straps and gaskets, this assembly ensures steady pressure under acceleration and smooth highway cruising without altering the classic underbody profile.
Precision Notch Design for Tire and Exhaust Clearance
The fuel tank shell is precision stamped to follow the curves of tire sidewalls and exhaust passages on 1971 and 1972 GTO and Lemans frames. By contouring the steel around these obstacles the kit restores underbody space without any cutting or additional brackets. This design preserves stock suspension travel and chassis rigidity while maintaining the classic profile of the A Body undercarriage. The thicker gauge steel offers robust protection against road debris and resists deformation under load. Smooth stamping reduces fuel slosh noise and helps maintain consistent volume during cornering or rough pavement.
In Tank Walbro 255 LPH Pump for Consistent Fuel Delivery
Positioning the Walbro 255 LPH fuel pump inside the tank ensures it remains submerged in a steady fuel supply for cooler operation and low noise. Placing the pump within the tank also keeps it shielded from heat soak under the vehicle floor. This arrangement maintains stable pressure under heavy acceleration and long highway runs, preventing lean spots that can damage engine internals. An integrated fine mesh inlet screen traps debris before it reaches the fuel rail, protecting injectors and extending service intervals. By leveraging in tank installation the pump experiences less vibration compared to underbody mounts offering extended service life. Its high flow capacity adapts to engine demand during idling, acceleration or cruising.
Direct Fit Factory Mounting for Hassle Free Installation
All mounting points on this kit align with the original frame rail holes on the A Body chassis, eliminating the need for custom brackets or frame alterations. Pre drilled tabs and stock hardware patterns guarantee precise alignment and a secure fit from the moment the tank is lowered into place. The filler neck and vent filter line up with existing body openings, preserving the under rear profile and simplifying fuel line connections. Since the tank follows stock contour the brake lines and emergency valve remain accessible without rerouting. Installers can follow familiar steps and maintain original service points, reducing workshop time and avoiding common pitfalls associated with universal tanks. This approach also retains rear seat access, making routine maintenance and inspections straightforward.
Integrated Components for EFI Performance and Classic Appearance
The kit includes a calibrated sending unit that mirrors factory float characteristics to deliver accurate gauge readings post conversion. Heavy duty straps and gaskets provide secure sealing and support, while the vent filter prevents pressure buildup without admitting contaminants. The vent filter design ensures proper tank breathing without drawing in dust or moisture that could foul injectors. By packaging these parts with the fuel tank and pump module the need to source separate adapters is eliminated, protecting the original underbody look. Every element works in concert to deliver modern EFI functionality while preserving the styling that defines a 1971 GTO or Lemans. Consolidating these components into one package streamlines the LS swap process and minimizes the risk of mismatched parts creating leaks or fitment issues.
Count on precise fitment and reliable operation. For a larger capacity fuel pump Kit at 400 LPH see our 1971-1972 GTO 400 LPH pump Tank Kit (notched).