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
Iron Eagle 24 330cc CNC

Iron Eagle 24° 330cc CNC



Maximum performance, bracket racing, heads up and super classes. Over 7,500 RPM, 500+ cubic inches, great head for maximum effort competition or bracket cars.

Dart’s legendary Iron Eagle cylinder heads are now available with a full CNC porting treatment. Every intake port, every exhaust port and every combustion chamber are fully CNC machined on Dart’s computerized 5-axis CNC machining centers.

The new Iron Eagle CNC cylinder head has 330cc runners and 126cc chambers with 2.30” intake and 1.88” exhaust valves, providing the power and consistency of ported heads in a rugged and affordable Cast Iron package. They are ideal for heavier cars or boats where weight is not a primary concern, and for racing classes which mandate Iron heads.

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

Heads are sold individually.


Material: High Nickel 220 BHN Cast Iron

Valve Angle: 24°

Intake Port Volume: 330cc CNC

Intake Valve: 2.300”

Exhaust Valve: 1.880”

Chamber Volume: 126cc

Intake Port Shape: Rectangle

Exhaust Port Location: .300” raised

15370030 – Bare Head

15372131 – 1.550” Single Springs for Hydraulic Flat Tappet Cam .660”

15372132 – 1.550” Dual Springs for Hydraulic Roller .690”

15372136 – 1.625” Dual Springs for Solid Roller Cam .850”

IE PRO 330CNC Tech Sheet – H35