Edelbrock 7521 | Engine Intake Manifold

Part Number

7521

Upgrade your Ford V8's performance with Edelbrock 7521 RPM Air-Gap Intake Manifold. Perfect for hot rods and street racing champions.

Fits various model years of the following vehicles: AC, DeTomaso, Ford, Griffith, Lincoln, Mercury, Omega, Sunbeam, TVR

$454.95

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Product Information

Description

The Edelbrock 7521 RPM Air-Gap Intake Manifold is the pinnacle of engineering for serious performance enthusiasts. Designed for small-block Ford 302/331/347 V8 engines, this manifold delivers robust power across a wide RPM range of 1,500 to 6,500. Its unique Air-Gap technology provides an insulated plenum that separates the fuel mixture from engine heat, ensuring a cooler, denser charge for maximum horsepower and torque. Ideal for hot rodders, street machine lovers, and bracket racers, the Edelbrock 7521 enhances your engine with larger runners than the standard 7121 model, catering to larger CID stroker applications. Featuring nitrous bosses for those seeking extra power, this non-EGR manifold not only boosts performance but also accommodates racing and street-driven setups with superior efficiency. Unveil race-winning technology under your hood and unlock the true potential of your vehicle.

Features

Ideal for small-block 302/331/347 Ford V8 applications
Innovative Air-Gap design reduces heat transfer
Designed for optimum 1,500-6,500 RPM range performance
Includes mounting bosses for nitrous systems
Provides larger runners for increased airflow

Specifications

Basic Operating RPM Range:	1500-6500
Center Maximum Height:	4.900 inches
EGR Port:	No
Finish:	Satin
Flange Type:	4150
Material:	Aluminum
Rear Maximum Height:	5.500 inches
Series:	RPM Air-Gap
Single Or Dual Plane Type:	Dual
Warning:	RGL:	This product can expose you to Lead. For information, visit www.P65warnings.ca.gov.

Fitment

Fits what vehicles: 1963 Ford 300, 1963-1974 Ford Country Sedan, 1963-1974 Ford Country Squire, 1963-1970 Ford Fairlane, 1963-1967 Ford Galaxie, 1963-1974 Ford Galaxie 500, 1963-1974 Ford Ranch Wagon, 1963 Mercury Country Cruiser, 1963 Mercury Meteor, 1964-1972 Ford Custom, 1964-1974 Ford Custom 500, 1964-1970 Ford Falcon, 1964-1965 Ford Falcon Sedan Delivery, 1964-1969 Ford GT40, 1964-1973 Ford Mustang, 1964 Ford Sprint, 1964-1965 Griffith 200, 1964-1967 Mercury Caliente, 1964-1969 Mercury Comet, 1964-1971 Mercury Cyclone, 1964-1967 Mercury Villager, 1964 TVR Griffith, 1965-1974 Ford LTD, 1965-1974 Ford Ranchero, 1971-1977 Mercury Comet, 1966 TVR Griffith, 1966-1968 AC Shelby Cobra, 1966-1977 Ford Bronco, 1966-1967 Mercury Capri, 1966-1967 Mercury Voyager, 1977-1982 Ford LTD, 1977-1979 Ford Ranchero, 1967 Mercury Commuter, 1967-1969 Mercury Cougar, 1967-1968 Omega Omega, 1967 Sunbeam Tiger, 1967-1971 TVR Tuscan, 1980-1984 Ford Bronco, 1984-1985 Ford LTD, 1968-1974 Ford Torino, 1968-1974 Mercury Montego, 1969-1975 Ford E-100 Econoline, 1969-1974 Ford E-200 Econoline, 1969-1974 Ford E-300 Econoline, 1969-1983 Ford F-100, 1979 Ford Mustang, 1970-1971 DeTomaso Mangusta, 1971-1977 Ford Maverick, 1979-1983 Ford E-100 Econoline, 1972-1974 Ford F-250, 1972-1978 Ford F-350, 1972-1974 Ford Gran Torino, 1983-1985 Ford Mustang, 1972-1974 TVR 3000M, 1980 Ford F-350, 1977-1978 Ford F-250, 1977-1981 Mercury Cougar, 1975 Ford E-150 Econoline, 1975 Ford E-250 Econoline, 1975 Ford E-350 Econoline, 1975-1985 Ford F-150, 1980-1985 Ford F-250, 1975-1980 Ford Granada, 1975-1978 Ford Mustang II, 1975-1980 Mercury Monarch, 1977-1979 Ford LTD II, 1977-1981 Ford Thunderbird, 1977-1980 Lincoln Versailles, 1979 Mercury Capri, 1979-1985 Ford E-150 Econoline, 1979-1985 Ford E-250 Econoline, 1979-1982 Ford E-350 Econoline, 1978-1979 Ford Fairmont, 1978-1979 Mercury Zephyr, 1979-1983 Ford E-100 Econoline Club Wagon, 1979-1985 Ford E-150 Econoline Club Wagon, 1979-1980 Ford E-250 Econoline Club Wagon, 1979-1980 Ford E-350 Econoline Club Wagon, 1982-1985 Mercury Capri, 1979-1982 Mercury Grand Marquis, 1979-1982 Mercury Marquis, 1982 Lincoln Continental

Product Questions (4)

Customer Questions

What size Edelbrock carburetor do I need?

The size of the Edelbrock carburetor you need depends on several factors, including your engine's displacement, performance goals, and intended usage. It is recommended to consult Edelbrock's carburetor sizing guidelines or seek advice from a knowledgeable professional to determine the appropriate carburetor size for your specific application.

Why is my Edelbrock carb flooding?

Several reasons can cause an Edelbrock carburetor to flood, including issues with the float level, needle and seat, or fuel pressure regulator.

How does the Edelbrock electric choke work?

The Edelbrock electric choke uses an electric heating element to control the opening and closing of the choke plate, allowing for automatic choke operation based on engine temperature.

Are Edelbrock carbs square bore?

Yes, most Edelbrock carburetors are designed as square bore carburetors.