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LS & LT Swap Fuel Tanks & Fuel Lines

LS & LT Swap Fuel Tanks & Fuel Lines

LS swap fuel pump and EFI tank kits, fuel line kits and drop-in pump kits for LS and LT swaps. Each tank kit is made for one vehicle and comes with an in-tank pump module, pump, sending unit and mounting hardware, with a 255 LPH or 400 LPH pump. Add a braided fuel line and regulator kit to run from the tank to the fuel rail, or keep your original tank with a surge tank or a drop-in pump kit.

  • In-tank pump module in every tank kit
  • 255 or 400 LPH pump options
  • Braided PTFE fuel line kits

Need the full swap? LS swap kit builder | LT swap kit builder | LS swap parts by vehicle

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Fuel System Guide for LS & LT Swaps

This audio provides a comprehensive guide to choosing and installing fuel tanks and fuel lines for LS and LT engine swaps. It highlights the importance of selecting components that can handle the increased fuel demands of high-performance engines, emphasizing factors like fuel capacity, baffling, material quality, and fuel pump compatibility.

A-Body and Monte Carlo EFI tanks

G-Body EFI tanks

Camaro, Firebird, Chevy II and Nova EFI tanks

Tri-Five, Impala and Corvette EFI tanks

GM truck, Blazer and Suburban EFI tanks

Tanks above are shown with the 255 LPH pump. Each one also comes with a 400 LPH pump, except the 1981-1988 Olds Cutlass, and many A-Body, Monte Carlo and 1967-1969 Camaro and Firebird tanks come notched. All versions are in the product list on this page.

What comes in an EFI fuel tank kit

  • Tank made for your vehicle
  • In-tank fuel pump module
  • 255 LPH Walbro or 400 LPH pump
  • Sending unit
  • Tank straps and vent filter
  • Gaskets and hardware

Fuel system notes

  • The 255 LPH pump supports up to 550 hp. The 400 LPH pump is for supercharged or over 550 hp builds.
  • Notched A-Body and Monte Carlo tanks give exhaust and tire clearance. Notched 1967-1969 Camaro and Firebird tanks are for cars with mini tubs.
  • The 255 LPH line kit has an OE style filter and regulator set to 58 psi, the GM LS spec. The 400 LPH kit has an adjustable regulator with a vacuum and boost port.
  • Both line kits are for returnless fuel rails and use 2-piece screw-together fittings at the rail.
  • G-Body, 1975-1979 Nova and Ventura tank kits also include a filler neck.
  • The 1967 Impala tank is 3/4 inch deeper and 5 inches shorter front to back than stock, and fits the factory location.

Notes from the product listings for each tank, line and pump kit.

LS swap fuel pump FAQ

Which pump size do I need, 255 or 400 LPH?

The 255 LPH tank kits support up to 550 hp. Choose the 400 LPH kit for supercharged engines or anything over 550 hp, and pair it with the 400 LPH fuel line kit.

Which fuel line kit goes with my tank?

Use the 255 LPH fuel line and regulator kit with 255 LPH tanks. Use the 400 LPH kit with 400 LPH tanks and for LT engines. The Phantom module has its own line kit.

Can I keep my original fuel tank?

Yes. The EFI surge tank feeds the engine from your existing non-EFI tank, which suits wagons and dual tank trucks. The Aeromotive Phantom 200 and 340 kits add a pump, hanger and baffle to an existing or original style tank.

What does a notched tank do?

Notched A-Body and Monte Carlo tanks add exhaust and tire clearance. The notched 1967-1969 Camaro and Firebird tanks are made for cars with mini tubs.

I have a late model GM truck or S-10. Do I need a new tank?

Not always. Our pump and fitting kits put a Walbro 255 LPH pump on your existing sending unit, with fittings to connect to our fuel line kit, for 1987-1997 GM trucks, 1994-1995 S-10 pickups and other 1991-2005 GM models.