Dart Machinery, LTD. stands behind each product we manufacture 100%. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible.

Warning This product contains chemicals known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov
IronEagle 20 200cc Ports

Iron Eagle 20° 200cc



Serious street performance, mild bracket racing and oval track. Maximum torque and throttle response from idle to 6,800 RPM. Best for 347-427 cubic inch engines. Works with most standard components.

Made from premium Cast Iron and precision machined on our digital CNC machining centers, Iron Eagle’s are ready to go right out of the box. Intake runners feature streamlined valve guide bosses for improved airflow.

Standard valve angle and spacing is retained for bolt on compatibility. Manganese Bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels.

Assemblies include Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals.

Heads are sold individually.


Material: High Nickel 220 BHN Cast Iron

Valve Angle: 20° (stock)

Intake Port Volume: 200cc

Intake Valve: 2.020”

Exhaust Valve: 1.600”

Chamber Volume: 58 or 62cc

Iron Eagle 20° 200cc – Iron (w/ 2.020” Intake Valve)

58cc Combustion Chambers

13400010 – Bare Head

13401112 – 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”

13401113 – 1.550” Dual Springs for Solid Roller Cam .660”

62cc Combustion Chambers

13410010 – Bare Head

13411112 – 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”

13411113 – 1.550” Dual Springs for Solid Roller Cam .660”

IE 200 Ford Tech Sheet – H28