EFI Fuel Tank Kit with 400 LPH Pump for 1968-1969 Cutlass and Skylark LS LT Swaps
In your 1968 to 1969 Oldsmobile Cutlass or Buick Skylark A Body LS or LT swap, the 1968-1969 Cutlass / Skylark EFI Fuel Tank Kit - 400 LPH Pump addresses flow and surge control. This bolt in assembly mounts to factory frame rails and integrates an in tank module with a 400 LPH Walbro pump for supercharged or over 550 hp applications. Crafted from heavy gauge steel to match floor contours, it features Phantom Baffle technology that keeps fuel at the pickup during hard cornering or braking. A sending unit, tank straps, filler neck, vent filter, gaskets, and installation hardware complete the package for a direct installation path with no welding. Manufactured in the USA.
Precision Fitment for 1968 and 1969 Cutlass and Skylark A Body
This EFI fuel tank kit has been precision engineered to install cleanly into 1968 and 1969 Cutlass and Skylark A Body platforms without any sheetmetal alteration or filler panel work. Every port, mounting pad and fill neck location aligns exactly with factory openings, preserving the vehicle's original underbody contours. The direct fit design eliminates clearance checks and guesswork, allowing professional installers and dedicated enthusiasts to maintain proper chassis geometry and ensure correct fuel line routing from tank to engine.
High-Flow Performance and Capacity
Equipped with a 400 LPH Walbro in tank fuel pump, this kit supports supercharged applications and power levels in excess of 550 horsepower. The single high-flow pump delivers consistent volume at elevated pressure, enabling stable fuel delivery under sustained throttle and cornering loads. Phantom Baffle technology within the tank prevents fuel slosh during hard acceleration, braking and lateral movement, guaranteeing that fuel pickup remains submerged at all times. This ensures reliable engine operation even in demanding driving conditions.
Modern Engine Compatibility and USA Craftsmanship
Designed for use with modern LS and LT powerplants, this EFI tank kit accommodates the latest direct injection and port injection systems without additional adapters. Its integrated sump and pickup assembly align with factory style hard lines to simplify plumbing and minimize fuel line bends. Manufactured entirely in the USA, the kit combines domestic fabrication standards with Walbro's proven fuel delivery expertise. All internal components are corrosion resistant and precision tested to deliver long service life, while O-ring sealed connections eliminate leaks and reduce maintenance over the life of the vehicle.
Trust MuscleRods for a well engineered fuel tank solution for LS and LT swaps. To complete your Smaller capacity fuel pump Kit at 255 LPH, consider our 1968-1969 Cutlass / Skylark EFI Fuel Tank Kit - 255 LPH Pump.