Installing a ls engine in your squarebody? If so, Brothers has you covered with this new fuel injection gas tank kit. Kit iincludes 25 gallon powdercoated tank, mounting straps, 0-90 ohms 5-hole sending unit and 255 lph fuel pump assembly. The fuel injection ready tank has efi style internal baffling with an extra large 4.8 Liter fuel tray to prevent starvation which makes it perfect for pro-touring or autocross. Note: 1973-81 has a 1-1/4 filler neck while 1982-91 has a 1-5/8 filler neck.