This returnless fuel system kit is a direct replacement for the factory fuel system on 1978-1987 GM G-Body cars (Regal, Monte Carlo, Malibu, Cutlass, Grand Prix, LeMans, Bonneville), including a fuel pump module, fuel level sender, regulator, filters, fuel line, fittings, hardware, and wiring components designed to use the factory fuel line routing and mounting locations.
Specifications:
- Application: 1978-87 GM G Body
- Category: Engine
- Free Flow: 350 LPH
- Fuel Sending Unit: 0-90 Ohms
- Fuel Type: Gasoline/E85 Compatible
- Material: Aluminum & Steel
- Style: Returnless
- Sub Category: Fuel Pumps and Related Components
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 526-23
Includes a GM Corvette-style 5-micron filter/regulator preset to a fixed 58 psi, 20 ft. of 6AN nylon-braided hose, a pump harness and relay wiring kit, and a pre-calibrated fuel level sending unit matched to the factory gauge. The pump is not compatible with PWM (pulse-width modulation) control.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What vehicles does this kit fit?
1978-1987 GM G-Body cars, including the Regal, Monte Carlo, Malibu, Cutlass, Grand Prix, LeMans, and Bonneville.
What fuel pressure does the regulator use?
A GM Corvette-style 5-micron filter/regulator presets fuel pressure to a fixed 58 psi.
Is this compatible with PWM fuel pump control?
No, the pump is not compatible for use with PWM (pulse-width modulation).
Is this legal for street use?
This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).

