526-23 Returnless EFI Fuel System Kit for Select 1978-1987 GM Cars [350 LPH]

Name: 526-23 Returnless EFI Fuel System Kit for Select 1978-1987 GM Cars [350 LPH]
Brand: HOLLEY
SKU: 510-526-23
Price: 799.95 USD
Availability: InStock

^$799⁹⁵

Ships on 09/14/2026

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GM G-Body

Returnless EFI Fuel System Kit

Select 1978-1987 GM Cars

350 LPH

Preset 58 psi Fuel Pressure

Direct-Replacement

EFI Conversion

Supports 750 HP

0-90 Ohm Fuel-Level Sender

Lock Ring & Gasket

OEM-Style Rollover Vent

Gas or E85

Holley 526-23 Returnless EFI Fuel System Kit Features:

Prepares your 1978-1988 GM car with a bullet proof fuel system for conversion to EFI
Pump gas and E85 compatible Fuel Plumbing Kit in a box
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 20 ft. of -6 AN nylon braided hose
Simplifies your fuel system with direct replacement components while still maintaining an OEM-like appearance
Pre-calibrated fuel level sending unit works with factory fuel gauge

Holley 526-23 Returnless EFI Fuel System Kit Note:

The pump is not compatible for use with PWM (Pulse-width Modulation)

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeFuel Pump Module Assembly

BrandHOLLEY

Package Height9.7

Package Width13.4

Package Length17.3

Weight10.22 PG

Part CategoryPerformance Parts

Outlet Size-6 AN

Number Of Ports On Cover3

Cover MaterialSteel

Gasket/Seal IncludedYes