1968-1969 A-Body EFI Fuel Tank Kit with 255 LPH Pump for LS Swap in Cutlass/Skylark
When you mount an LS engine in a 1968 or 1969 Cutlass or Skylark the stock fuel tank can struggle to maintain pressure under sustained load. This 1968-1969 Cutlass / Skylark EFI Fuel Tank Kit with integrated 255 LPH pump features a precision notch that clears exhaust tubing and rear suspension rails without sheet metal trimming. Installation aligns mounting flanges with existing bracket points and simplifies routing so focus stays on hoses and wiring instead of part sourcing. Technicians benefit from a complete assembly that includes the pump module, sending unit, filler neck, vent filter, gaskets, straps and hardware for leak free seals from day one.
Stable Delivery for Demanding LS Applications
The integrated 255 LPH pump is specifically calibrated to match the fuel demands of LS engines up to 550 hp, ensuring a consistent flow under sustained load. By maintaining precise pressure, it prevents lean conditions that can cause hesitation or detonation during aggressive acceleration. The in-tank pickup remains submerged even in hard launches or tight turns, virtually eliminating the risk of vapor lock and fuel starvation. This stability provides reliable throttle response whether cruising on the highway or pushing performance limits at the track. Consistent fuel flow helps keep injector output within the optimal range for electronic fuel injection systems during extended full-throttle operation.
Tank Contouring for Exhaust and Suspension Clearance
Engineers sculpted the steel container using detailed measurements of 1968 and 1969 A-body underbodies to clear factory exhaust pipes and rear suspension rails without trimming sheet metal. The notched profile maximizes usable capacity by fitting snugly around frame rails while preserving ground clearance. Heavy-gauge steel construction and reinforced weld seams around the contour resist stress under load and shield the tank from road debris or side impacts. This precision shaping maintains the original underbody envelope and provides a seamless fit with factory brackets. Installers gain a direct-fit solution that aligns with existing mounting points for smooth assembly.
Integrated Kit Streamlining LS Swap Installation
This complete assembly arrives with every component needed for a reliable fuel system upgrade in a 1968–1969 Cutlass or Skylark, eliminating the need to source separate parts. The package includes the fuel pump module, sending unit for accurate level readings, filler neck designed for the factory opening, and a vent filter that keeps contaminants out. Precision-cut gaskets, treated tank straps, and all required hardware ensure leak-free seals from day one. By consolidating these elements, the kit saves installation time and reduces potential compatibility issues. Technicians can focus on routing hoses and wiring without hunting for individual pieces, streamlining the LS swap process from start to finish.
Count on MuscleRods for a reliable foundation and for a larger capacity fuel pump Kit at 400 LPH, see our 1968-1969 Cutlass 400 LPH pump Tank Kit (notched).