AFR Cylinder Head Aluminum 205cc Intake 7/16" Stud 58cc Chambers Without EGR Pair 289/302/351W

Air Flow Research:


  • AFR 205CC Cylinder Heads
  • 58CC Combustion Chambers
  • Intake Valve Size: 2.08"
  • Exhaust Valve Size: 1.60"

Pair of Assembled Air Flow Research Aluminum 205CC Cylinder Heads with 58CC Combustion Chambers for 289, 302 and 351W Engines without EGR.

If you're looking for the world's finest street/strip head available, AFR's 205cc aluminum cylinder head is your answer. With lightweight 8mm 2.080" intake valves, 1.600" exhaust valves this head moves tremendous volumes of air through conservative runner volumes, spelling big torque and horsepower numbers. With combustion chamber volumes of 58cc, accompanied by 70cc exhaust ports which are raised .125" higher than stock, AFR's new 205cc is the ultimate choice for 331 through 392 engines operating from 3500 RPM to 8000 RPM. AFR's trademark 3/4" thick head deck makes them ideal for heavy nitrous or blower applications. Available With optional nitrous or blower exhaust ports featuring 73cc ultra high flowing exhaust ports.

Cylinder Head Specifications:
Intake Port Size: 205cc
Exhaust Port Size: 70cc
Combustion Chamber Size: 58cc
Intake Valve Size: 2.080"
Exhaust Valve Size: 1.600"
Stud Mount Rockers: 7/16"

*Small block Ford engines refers to 289/302/351 Windsor engines. 289/302 engines require head bolt bushings.
*High flow 2.080 valves will require aftermarket pistons notched for valve clearance.

As you work to upgrade your Small Block Ford to get the best performance possible, cylinder heads are likely on your shopping list. Air Flow Research has more than 30 years of cylinder head development experience and is going to have the perfect cylinder heads for your performance engine.

Order a new Pair of Assembled Air Flow Research Aluminum 205CC Cylinder Heads with 58CC Combustion Chambers for your 289, 302 or 351W Engine without EGR from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:

  • 1965 and older U.S. manufactured California certified vehicles
  • 1967 and older U.S. manufactured federally certified vehicles

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following F-100 years:

  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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