Performer RPM Air Gap

Edelbrock 7521 RPM Air Gap intake manifold.

Fits Ford 289 and 302 street performance engines.

Power band of 1,500 to 6,500 rpm.





The air gap design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power.

Includes nitrous bosses.

No provision for exhaust heated chokes and no exhaust crossover.

Standard flange carburetor mounting pad.

Accepts square bore Holley, Edlebrock, Demon and Carter carburetors.

Recommend 600-800 cfm carburetors depending on the engine setup.

Manifold height is 4.30" in the front and 5.50" in the rear.

Port exit dimensions of 1.04" by 1.85".

Edelbrock 7521 Ford 289 302 air gap intake manifold EDELBROCK-7521$328.62

Click to enlargeEdelbrock 7220 intake manifold gaskets for Edelbrock 7521 intake
Edelbrock 7220 intake manifold gasket set for Edelbrock 7521 intake manifold shown above.

Fits Ford 289 and 302 engines.

1-EDELBROCK-7220$24.97
Click to enlargeARP 154-2001 intake manifold bolts for Edelbrock 7521 intake
ARP 154-2001 intake manifold bolts for Edelbrock 7521 intake manifold shown above.

Fits Ford 289 and 302 engines.

Features an attractive and durable black oxide coating.

Hexagon bolt heads for easy wrench or socket access.

These chrome moly bolts have a wide underhead flange with companion washers that provide an even load distribution.

Precision rolled threads prevent galling while promoting more consistent torque loading.

1-ARP-154-2001$34.97
Click to enlargeARP 454-2001 stainless intake bolts for Edelbrock 7521 intake
ARP 454-2001 intake manifold bolt kit for Edelbrock 7521 intake manifold shown above.

Fits Ford 289 and 302 engines.

These stainless steel bolts and washers feature a show polished finish.

Hexagon bolt heads for easy wrench or socket access.

This bolt set has a wide underhead flange with companion washers that provide an even load distribution.

Precision rolled threads prevent galling while promoting more consistent torque loading.

1-ARP-454-2001$44.97

PayPal Acceptance Mark




We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page.

We will not ship to freight forwarding - expediting companies.

PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.

ecommerce provided by Yahoo! Small Business