1969-1970 Impala EFI Fuel Tank Kit with 400 LPH Pump
Converting your 1969 or 1970 Impala to electronic fuel injection often stalls at finding a tank that fits chassis lines and sustains an LS powerplant under heavy load. This 1969 to 1970 Impala EFI Fuel Tank kit combines a 400 LPH Walbro pump with a deeper galvanized reservoir to hold steady pressure for engines up to 750 horsepower. Precision contouring matches the B Body underbody pattern to bolt in on factory crossmembers without trimming or filler work. Included hardware and plug and play compatibility with LS engine swaps eliminate guesswork in sourcing parts and the powder coat finish guards against corrosion for reliable service.
Enhanced Fuel Delivery with 400 LPH Walbro Pump
The in-tank location of the 400 LPH Walbro pump places it entirely within the fuel column, ensuring uninterrupted coverage even under heavy acceleration or cornering. By keeping the inlet immersed at all times, it minimizes the risk of cavitation and vapor lock, which can lead to erratic pressure drops and engine hesitation. This configuration delivers consistent pressure for engines up to 750 horsepower, so your LS powerplant enjoys a stable supply whether cruising or under full throttle. Submerged mounting also reduces noise transmission into the cabin and limits heat buildup on the pump motor, extending its service life and reliability. Technicians benefit from fewer callbacks for fuel system issues, as the design maintains performance through repeated high load cycles.
Precision Profile for 1969-1970 Impala B Body Chassis
Every contour of the tank has been sculpted to match the factory underbody lines of the 1969 to 1970 Impala B Body, eliminating the need for trimming or filler work during installation. At three quarters of an inch deeper and five inches shorter than the original tank, it clears crossmember braces and maintains original ground clearance without compromise. This precise shape preserves the integrity of the floorpan and undercarriage, avoiding interference with exhaust hangers or brake lines. Installers appreciate a true bolt in fit that aligns with existing mounting points and sheetmetal sweeps, saving hours on test fits and adjustments. The result is a seamless integration that looks factory-installed and functions without obstruction.
Galvanized Steel Construction with Powder Coat Defense
Built from galvanized steel, the tank resists moisture and road salt that can corrode standard metal, while a robust powder coat finish adds a secondary layer of abrasion and chemical resistance. Each weld joint undergoes inspection to verify airtight seams that withstand the vibration and fuel pulsation common in high output applications. This dual protection limits the need for maintenance and ensures the reservoir remains free of rust or structural fatigue over years of service. The durable finish also guards against chips and impact from debris, preserving both appearance and performance under harsh road conditions. Operators can expect a fuel vessel that stands up to relentless cycles without worry of leaks or failure.
Comprehensive Kit Components Streamline Installation
Rather than sourcing parts from multiple vendors, this kit arrives complete with a pump module, sending unit, tank straps, filler neck, vent filter, gaskets, and all necessary mounting hardware. Each component is matched to the tank's contours and flow requirements, so gaskets fit precisely and hoses connect without adapters. The sending unit provides accurate fuel level readings in the stock gauge cluster, eliminating calibration headaches. A pre installed vent filter blocks contaminants and manages tank pressure under fill and draw cycles. By consolidating every critical element, the kit removes guesswork and accelerates the swap process from disassembly to first fire.
This kit delivers consistent performance under load and has been crafted for durability. For the same fuel tank but with a 255LPH pump see our 1969-1970 Impala EFI Fuel Tank kit - 255 LPH Pump.