Fits 1978-1988 Oldsmobile Cutlass Supreme G-Body Returnless Fuel System 526-23
Fits 1978-1988 Oldsmobile Cutlass Supreme G-Body Returnless Fuel System 526-23
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Material:
Returnless - Fits 1978-1987 GM G-Body - Regal / Monte Carlo / Malibu / Cutlass / Grand Prix / LeMans / Bonneville
Looking to upgrade the fuel system in your 1978-1987 G-Body? Take out the guesswork with Holley's new G-Body Returnless Fuel System Kit! This 1978-87 G-body Fuel System Kit was designed as a direct replacement for your factory fuel system. Includes everything required including fuel pump module, fuel level sender, regulator, fuel filters, fuel line, fittings, hardware, and all new wiring components. Designed to use factory fuel line routing and mounting locations for a clean, OEM-like install.
NOTES: The pump is not compatible for use with PWM (Pulse-width Modulation)
Features:
- Prepares your 1978-1988 GM G-Body with a bullet proof fuel system for conversion to EFI
- Pump gas and E85 compatible Fuel Plumbing Kit in a box, ready for whatever engine you throw at it
- Uses a 5 micron GM Corvette-style filter/regulator which presets the fuel pressure to a fixed 58 psi
- Contains a wide variety parts and accessories going up to the engine for a complete fuel system kit
- Includes 20ft of 6AN nylon braided hose, enough to go from the tank to the fuel rails
- Simplifies your fuel system with direct replacement components while still maintaining an OEM-like appearance
- Takes the guesswork out of piecing together fuel fittings and hose, while also upgrading the factory fuel system
- Utilizes as many of the original sheet metal and chassis fuel system routing provisions with minimal to no drilling required
- Electric Fuel Pump Harness & Relay Wiring Kit, ensures the fuel pump receives the proper amperage, for improved reliability and consistent performance
- Pre-calibrated fuel level sending unit works with factory fuel gauge, for a simplistic installation, no guessing what ohm range your gauge or sending unit is
- Highly detailed installation instructions to guide you, step by step, along the installation process
Specs:
Application | 1978-87 GM G Body |
---|---|
Brand | Holley |
Emission Code | 4 |
Free Flow LPH | 350 |
Fuel Sending Unit Ohms | 0-90 Ohms |
Fuel Type | Gasoline/E85 Compatible |
Material | Aluminum & Steel |
Product Type | Fuel System |
Style | Returnless |
Warranty | Limited 90 Day |
Application:
Year | Make | Model | Submodel |
---|---|---|---|
1978-1981 | Buick | Century | Limited |
1978-1981 | Buick | Century | Sport |
1978-1980 | Buick | Century | Limited |
1978-1979 | Buick | Century | Custom |
1978-1979 | Buick | Century | Special |
1978-1979 | Buick | Century | Sport |
1978-1979 | Buick | Century | Limited |
1978 | Buick | Century | Sport |
1979-1980 | Buick | Century | Sport |
1979-1980 | Buick | Century | Limited |
1979 | Buick | Century | Special |
1979 | Buick | Century | Custom |
1980-1981 | Buick | Century | Estate |
1980-1981 | Buick | Century | Base |
1980-1981 | Buick | Century | Limited |
1980 | Buick | Century | Estate |
1980 | Buick | Century | Base |
1981 | Buick | Century | Base |
1981 | Buick | Century | Limited |
1981 | Buick | Century | Estate |
1981 | Buick | Century | Sport |
1978-1987 | Buick | Regal | Limited |
1978-1987 | Buick | Regal | Base |
1978-1982 | Buick | Regal | Sport |
1978-1980 | Buick | Regal | Base |
1983-1987 | Buick | Regal | Base |
1978-1980 | Buick | Regal | Limited |
1983 | Buick | Regal | Limited |
1985-1987 | Buick | Regal | Limited |
1978-1979 | Buick | Regal | Limited |
1978-1979 | Buick | Regal | Base |
1979-1980 | Buick | Regal | Base |
1979-1980 | Buick | Regal | Limited |
1980-1981 | Buick | Regal | Limited |
1980-1981 | Buick | Regal | Base |
1981-1983 | Buick | Regal | Base |
1985 | Buick | Regal | Base |
1981-1983 | Buick | Regal | Limited |
1981-1982 | Buick | Regal | Limited |
1981-1982 | Buick | Regal | Base |
1981 | Buick | Regal | Sport |
1982-1985 | Buick | Regal | Limited |
1982-1984 | Buick | Regal | Base |
1982-1984 | Buick | Regal | Limited |
1982-1983 | Buick | Regal | Estate Wagon |
1982 | Buick | Regal | Limited Turbo |
1983-1986 | Buick | Regal | T-Type |
1984-1987 | Buick | Regal | Grand National |
1986-1987 | Buick | Regal | Base |
1986-1987 | Buick | Regal | Limited |
1987 | Buick | Regal | GNX |
1978-1983 | Chevrolet | Malibu | Classic |
1978-1981 | Chevrolet | Malibu | Classic Landau |
1978-1981 | Chevrolet | Malibu | Base |
1978-1980 | Chevrolet | Malibu | Classic |
1982-1983 | Chevrolet | Malibu | Classic |
1978-1980 | Chevrolet | Malibu | Classic Estate |
1978-1979 | Chevrolet | Malibu | Classic |
1978-1979 | Chevrolet | Malibu | Classic Landau |
1978-1979 | Chevrolet | Malibu | Base |
1978-1979 | Chevrolet | Malibu | Classic Estate |
1979-1982 | Chevrolet | Malibu | Classic |
1979-1981 | Chevrolet | Malibu | Base |
1979-1981 | Chevrolet | Malibu | Classic Landau |
1979-1980 | Chevrolet | Malibu | Classic Sport |
1979-1980 | Chevrolet | Malibu | Sport |
1979-1980 | Chevrolet | Malibu | Estate |
1979-1980 | Chevrolet | Malibu | Classic Estate |
1979 | Chevrolet | Malibu | Sport |
1979 | Chevrolet | Malibu | Police |
1979 | Chevrolet | Malibu | Landau |
1979 | Chevrolet | Malibu | Classic Sport |
1980-1983 | Chevrolet | Malibu | Classic |
1980-1981 | Chevrolet | Malibu | Classic Landau |
1980-1981 | Chevrolet | Malibu | Base |
1980 | Chevrolet | Malibu | Classic Estate |
1980 | Chevrolet | Malibu | Estate |
1980 | Chevrolet | Malibu | Classic Sport |
1980 | Chevrolet | Malibu | Sport |
1978-1981 | Chevrolet | Monte Carlo | Landau |
1978-1979 | Chevrolet | Monte Carlo | Landau |
1978 | Chevrolet | Monte Carlo | Sport |
1980 | Chevrolet | Monte Carlo | Sport |
1979-1981 | Chevrolet | Monte Carlo | Landau |
1979 | Chevrolet | Monte Carlo | Base |
1981-1988 | Chevrolet | Monte Carlo | Base |
1981-1987 | Chevrolet | Monte Carlo | Base |
1981-1982 | Chevrolet | Monte Carlo | Base |
1980-1981 | Chevrolet | Monte Carlo | Landau |
1981-1984 | Chevrolet | Monte Carlo | Base |
1982-1983 | Chevrolet | Monte Carlo | Base |
1983-1988 | Chevrolet | Monte Carlo | SS |
1983 | Chevrolet | Monte Carlo | CL |
1983 | Chevrolet | Monte Carlo | SS |
1985-1988 | Chevrolet | Monte Carlo | Base |
1986-1988 | Chevrolet | Monte Carlo | LS |
1978-1984 | Oldsmobile | Cutlass Calais | Base |
1978-1982 | Oldsmobile | Cutlass Calais | Base |
1978-1980 | Oldsmobile | Cutlass Calais | Base |
1983-1984 | Oldsmobile | Cutlass Calais | Base |
1979-1984 | Oldsmobile | Cutlass Calais | Base |
1982-1984 | Oldsmobile | Cutlass Calais | Base |
1982 | Oldsmobile | Cutlass Calais | Base |
1983-1984 | Oldsmobile | Cutlass Calais | Hurst |
1983 | Oldsmobile | Cutlass Calais | Hurst |
1978-1979 | Oldsmobile | Cutlass | Vista Cruiser |
1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
1980-1981 | Oldsmobile | Cutlass | Brougham |
1980-1981 | Oldsmobile | Cutlass | LS |
1980 | Oldsmobile | Cutlass | Base |
1987-1988 | Oldsmobile | Cutlass | Base |
1980 | Oldsmobile | Cutlass | LS |
1980 | Oldsmobile | Cutlass | Brougham |
1981 | Oldsmobile | Cutlass | LS |
1981 | Oldsmobile | Cutlass | Supreme |
1981 | Oldsmobile | Cutlass | Brougham |
1985-1987 | Oldsmobile | Cutlass | Salon |
1987-1988 | Oldsmobile | Cutlass | Eurosport |
1987-1988 | Oldsmobile | Cutlass | Lujo |
1978-1980 | Oldsmobile | Cutlass Salon | Base |
1985-1987 | Oldsmobile | Cutlass Salon | Base |
1978-1980 | Oldsmobile | Cutlass Salon | Brougham |
1978-1979 | Oldsmobile | Cutlass Salon | 442 |
1985-1986 | Oldsmobile | Cutlass Salon | 442 |
1978 | Oldsmobile | Cutlass Salon | 442 |
1979-1980 | Oldsmobile | Cutlass Salon | Base |
1985 | Oldsmobile | Cutlass Salon | Base |
1979 | Oldsmobile | Cutlass Salon | Hurst |
1979 | Oldsmobile | Cutlass Salon | 442 |
1980 | Oldsmobile | Cutlass Salon | Brougham |
1980-1983 | Oldsmobile | Cutlass Cruiser | Base |
1980-1982 | Oldsmobile | Cutlass Cruiser | Base |
1980-1981 | Oldsmobile | Cutlass Cruiser | Brougham |
1980 | Oldsmobile | Cutlass Cruiser | Base |
1982-1983 | Oldsmobile | Cutlass Cruiser | Base |
1980 | Oldsmobile | Cutlass Cruiser | Brougham |
1981-1983 | Oldsmobile | Cutlass Cruiser | Base |
1981 | Oldsmobile | Cutlass Cruiser | Brougham |
1982 | Oldsmobile | Cutlass Cruiser | Base |
1978-1988 | Oldsmobile | Cutlass Supreme | Base |
1978-1987 | Oldsmobile | Cutlass Supreme | Brougham |
1978-1987 | Oldsmobile | Cutlass Supreme | Base |
1978-1985 | Oldsmobile | Cutlass Supreme | Base |
1978-1982 | Oldsmobile | Cutlass Supreme | Base |
1978-1982 | Oldsmobile | Cutlass Supreme | Brougham |
1978-1980 | Oldsmobile | Cutlass Supreme | Base |
1983 | Oldsmobile | Cutlass Supreme | Base |
1985-1987 | Oldsmobile | Cutlass Supreme | Base |
1978-1980 | Oldsmobile | Cutlass Supreme | Brougham |
1979-1985 | Oldsmobile | Cutlass Supreme | Brougham |
1981 | Oldsmobile | Cutlass Supreme | LS |
1985 | Oldsmobile | Cutlass Supreme | LS |
1982-1987 | Oldsmobile | Cutlass Supreme | Brougham |
1982-1987 | Oldsmobile | Cutlass Supreme | Base |
1982-1984 | Oldsmobile | Cutlass Supreme | Base |
1982-1984 | Oldsmobile | Cutlass Supreme | Brougham |
1982 | Oldsmobile | Cutlass Supreme | Brougham |
1982 | Oldsmobile | Cutlass Supreme | Base |
1987 | Oldsmobile | Cutlass Supreme | 442 |
1988 | Oldsmobile | Cutlass Supreme | Classic Brougham |
1988 | Oldsmobile | Cutlass Supreme | International |
1988 | Oldsmobile | Cutlass Supreme | Base |
1988 | Oldsmobile | Cutlass Supreme | Classic |
1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
1988 | Oldsmobile | Cutlass Supreme | SL |
1978-1986 | Pontiac | Bonneville | Brougham |
1978-1986 | Pontiac | Bonneville | Base |
1978-1984 | Pontiac | Bonneville | Base |
1978-1984 | Pontiac | Bonneville | Brougham |
1978-1981 | Pontiac | Bonneville | Safari |
1978-1980 | Pontiac | Bonneville | Base |
1978-1980 | Pontiac | Bonneville | Safari |
1978-1980 | Pontiac | Bonneville | Brougham |
1978-1979 | Pontiac | Bonneville | Brougham |
1978-1979 | Pontiac | Bonneville | Safari |
1978-1979 | Pontiac | Bonneville | Base |
1978 | Pontiac | Bonneville | Safari |
1978 | Pontiac | Bonneville | Base |
1978 | Pontiac | Bonneville | Brougham |
1980-1986 | Pontiac | Bonneville | Base |
1980-1981 | Pontiac | Bonneville | Base |
1980-1981 | Pontiac | Bonneville | Brougham |
1981-1986 | Pontiac | Bonneville | Brougham |
1981 | Pontiac | Bonneville | Safari |
1981 | Pontiac | Bonneville | Base |
1981 | Pontiac | Bonneville | Brougham |
1982 | Pontiac | Bonneville | Base |
1982 | Pontiac | Bonneville | Brougham |
1983-1986 | Pontiac | Bonneville | Brougham |
1983-1986 | Pontiac | Bonneville | Base |
1984-1986 | Pontiac | Bonneville | LE |
1984 | Pontiac | Bonneville | LE |
1986 | Pontiac | Bonneville | Base |
1986 | Pontiac | Bonneville | LE |
1986 | Pontiac | Bonneville | Brougham |
1978-1980 | Pontiac | Grand Am | Base |
1979 | Pontiac | Grand Am | Base |
1978-1987 | Pontiac | Grand Prix | Base |
1978-1983 | Pontiac | Grand Prix | LJ |
1978-1980 | Pontiac | Grand Prix | Base |
1983-1987 | Pontiac | Grand Prix | Base |
1978-1980 | Pontiac | Grand Prix | LJ |
1983 | Pontiac | Grand Prix | LJ |
1978-1980 | Pontiac | Grand Prix | SJ |
1979-1983 | Pontiac | Grand Prix | LJ |
1979 | Pontiac | Grand Prix | SJ |
1980-1981 | Pontiac | Grand Prix | Base |
1980-1981 | Pontiac | Grand Prix | LJ |
1981-1987 | Pontiac | Grand Prix | Brougham |
1981-1984 | Pontiac | Grand Prix | Base |
1981-1984 | Pontiac | Grand Prix | Brougham |
1981-1983 | Pontiac | Grand Prix | LJ |
1981-1982 | Pontiac | Grand Prix | Brougham |
1981-1982 | Pontiac | Grand Prix | LJ |
1981-1982 | Pontiac | Grand Prix | Base |
1981 | Pontiac | Grand Prix | Brougham |
1982 | Pontiac | Grand Prix | Brougham |
1982 | Pontiac | Grand Prix | LJ |
1982 | Pontiac | Grand Prix | Base |
1983-1987 | Pontiac | Grand Prix | Brougham |
1984-1987 | Pontiac | Grand Prix | LE |
1984 | Pontiac | Grand Prix | LE |
1986-1987 | Pontiac | Grand Prix | LE |
1986-1987 | Pontiac | Grand Prix | Base |
1986-1987 | Pontiac | Grand Prix | Brougham |






Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.