Fits 1988-1997 GMT400 C/K Series Trucks;
Fits 1988-1997 GMT400 C/K Series Trucks;The 6061-T6 Aluminum fuel pump module is a high-pressure unit that flows 340 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 700 EFI horsepower. ; For the 1988-1998 GM Trucks, we also offer the unit with a 525 LPH pump which supports up to 1200 EFI horsepower; Includes a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application; 6AN o-ring outlet and return ports for easy plumbing connections; Filter sock, flange O-ring, and fuel tank lock ring included to complete your installation; Can be used with both carbureted and EFI (Electronic Fuel Injection) fuel systems depending on your need; Both EFI and carbureted systems will need a bypass design regulator (We recommend the 12-879 or 12-880 Bypass Regulators for these installations. They can be used for both carbureted and EFI systems); The flange is bright dip black anodized for corrosion protection from undercar moisture.;