AFR Cylinder Head Aluminum 225cc Intake 7/16" Stud 72cc Chambers Without EGR Pair 289/302/351W

Air Flow Research: 1456
MSRP: $2109.00
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Product Description

Pair of Assembled Air Flow Research Aluminum 225CC Cylinder Heads with 72CC Combustion Chambers for Small Block Ford Engines.

Are you looking for big torque and horsepower numbers? Only AFR's 225cc aluminum cylinder heads will provide you with exactly that. With the largest intake and exhaust runner volumes for our in-line Ford line up, these are the ultimate for NMRA Renegade or Hot Street classes. With lightweight 8mm 2.080 intake valves and 1.600 exhaust valves these heads move massive amounts of air. Combustion chamber volumes of 72cc are accompanied by 80cc exhaust ports which are raised .375" higher than stock. AFR's new 225cc is the perfect choice for 347 through 427 CI Windsor engines operating between 4500 to 8500 rpm. AFR's trademark 3/4" thick cylinder head deck makes them ideal for heavy nitrous or blower applications.

Cylinder Head Specifications:
Intake Port Size: 225cc
Exhaust Port Size: 80cc
Combustion Chamber Size: 72cc
Intake Valve Size: 2.080"
Exhaust Valve Size: 1.600"
Stud Mount Rockers: 7/16"

*High flow 2.080 valves will require aftermarket pistons notched for valve clearance."

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