1968-1970 Pontiac GTO and Lemans Notched EFI Fuel Tank Kit for LS
When installing an LS engine into a 1968 to 1970 Pontiac GTO or Lemans, tight clearance above the fuel tank often leads to trimming or guesswork. This notched kit features a custom lower shell and a 255 LPH pump fully submerged inside the tank to prevent air ingestion during cornering and spirited starts. Mounting points align with the original A Body frame rails, so the assembly drops in with the stock straps and sending unit, supporting builds up to 550 horsepower without fuel starvation concerns.
Notched Shell Design for Exhaust and Suspension Clearance
The notched lower shell has been profiled to clear exhaust pipes and allow full rear tire travel without interfering with the stock frame rails. By carving the shell precisely around header tubing and suspension arcs, the design preserves fuel capacity and maintains factory ride geometry. This careful shaping also directs heat away from critical areas, reducing stress on welds and extending service life. Thorough testing ensured the notch depth balances adequate volume with full cornering clearance in GTO and Lemans A body chassis.
Internal 255 LPH Pump Module Preventing Air Ingestion
The 255 LPH pump sits fully inside the tank to stay submerged at all times, preventing air pockets that cause cavitation and pressure loss during hard launches or cornering. Submerged placement ensures steady fuel flow under load and supports consistent pressure from idle through peak rpm. Builders can tune with confidence since this module maintains reliable delivery even when the vehicle is pushed to its limits, reducing the risk of driveability issues related to fuel starvation.
Direct-Fit Installation Simplifies A Body Chassis Integration
Direct-fit installation aligns mounting brackets with original A body chassis points on 1968 through 1970 GTO and Lemans models, letting installers drop the assembly in using stock straps and hardware. The filler neck, vent filter, sending unit and gaskets snap into place without trimming or extra adapters, streamlining plumbing and wiring. This integration saves hours in the shop and eliminates guesswork on alignment or clearances.
Fuel Delivery Capacity Matched to 550 Horsepower LS Engines
With capacity to support up to 550 horsepower LS engines, this fuel tank kit delivers a generous margin above typical output levels to accommodate future upgrades. The pump's high volume rating holds a stable air fuel ratio during boost or naturally aspirated operation, preventing lean conditions at wide open throttle. Consistent delivery under prolonged track use and spirited driving means tuners can focus on engine calibration rather than chasing fluctuating fuel pressure.
Engineered for seamless integration and steady flow under full load. To upgrade to a Larger capacity fuel pump Kit at 400 LPH see our 1968-1970 GTO 400 LPH pump Tank Kit (notched).