LS EFI Fuel Tank Kit with 255 LPH Pump for 1973-1987 C/K Chevy/GMC Trucks
When you're planning an LS engine swap into a 1973 to 1987 C/K Chevy or GMC truck with a six foot bed, delivering consistent fuel pressure can make or break your performance goals. Built for classic GM pickups, the EFI Fuel Tank Kit integrates a 255 LPH Walbro pump and all required straps, filters, gaskets and hardware for a straightforward installation. Fitting 4L60E and 4L80E transmissions without altering the tunnel, it guarantees reliable fuel flow for engines up to 550 horsepower while smoothing out throttle response.
Precision Fit for LS Installations in 1973 to 1987 C/K Truck Beds
The fuel tank is shaped to match the original GM six foot bed profile on 1973 to 1987 C10 and K10 models, delivering a drop-in replacement that avoids any tunnel trimming. Because it directly replaces the OEM tank arrangement, proper clearance for 4L60E and 4L80E transmissions is maintained without modification. This precise fit also ensures that mounting straps and filler neck alignment meet factory standards right out of the box, preserving the truck's underbody geometry. By retaining the stock tank footprint, fuel line routing and electrical connections remain in their designed positions, speeding up the entire installation process. The result is a seamless swap that integrates cleanly with the vehicle's original structure.
High Capacity 255 LPH Walbro Fuel Pump Performance
Walbro's 255 liter per hour pump supplies a steady fuel flow for engines up to 550 horsepower without pressure drops during sustained wide-open-throttle runs. Its internal check valve maintains prime and prevents fuel return issues during sudden throttle lifts, ensuring instant response when you dial in power. The ample flow capacity eliminates fuel starvation at high rpm and under heavy load, delivering consistent pressure to your injectors. With reliable fuel delivery, the LS engine achieves smooth throttle transitions and reduced hesitation in demanding driving conditions. This stable performance lays the groundwork for predictable power output every time you hit the accelerator.
Integrated In Tank Module for Simplified Assembly
The in tank module consolidates the pump, sending unit and vent filter into one pre-calibrated assembly, reducing potential leak points and alignment errors. A precision sending unit ensures accurate fuel level readings, preventing gauge discrepancies and unexpected low-fuel scenarios. The included filler neck, gaskets and mounting hardware are sized to align perfectly with the tank opening and frame rails, eliminating guesswork during fitment. By combining these core components, the kit streamlines the swap, avoids compatibility headaches and speeds up installation. This integration ultimately translates to a more reliable system and fewer steps in your build schedule.
Quality Manufacturing in the USA for Durability
Every component in this kit is produced in the USA under stringent quality controls to ensure a robust assembly that endures daily use and harsh road conditions. The tank shell is crafted from corrosion resistant steel and subjected to rigorous pressure testing before final assembly. All straps, hardware and gaskets are chosen for chemical resistance and long lasting sealing performance, even with modern ethanol blends. Domestic production oversight guarantees that each kit meets professional standards for fit and finish, reducing the risk of post-install issues. This commitment to quality manufacturing provides builders and installers with confidence in both fit and reliability.
Count on precise fit and steady flow. For a Larger capacity fuel pump Kit at 400 LPH see our 1973-1987 GM Truck EFI Fuel Tank Kit - 400 LPH Pump - 6' bed.