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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.
Iron Eagle 24 308 345cc Port

Iron Eagle 24° 308/345cc

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Product Description

308cc – Street and marine performance, mild bracket racing. Under 7,000 RPM, under 500 cubic inches excellent mid-range torque and power, good for heavier vehicles.

345cc – Maximum street or marine performance, bracket racing, heads up and super classes. Over 7,000 RPM, 540+ cubic inches.

Dart Iron Eagle 24° heads are an affordable alternative to more expensive Aluminum heads. High velocity runners produce incredible torque and power.

Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats and hardened and radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting.

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

Heads are sold individually.

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Material: High Nickel 220 BHN Cast Iron

Valve Angle: 24°

Intake Port Volume: 308/345cc

Intake Valve: 2.250”/2.300”

Exhaust Valve: 1.880”

Chamber Volume: 121cc

Intake Port Shape: Rectangle

Exhaust Port Location: .300” raised

Iron Eagle 24° 308cc – Iron

15100010 – Bare Head

15100111 – 1.550” Single Springs for Hydraulic Flat Tappet Cam .660”

15100112 – 1.550” Dual Springs for Hydraulic Roller .690”

15100116 – 1.625” Dual Springs for Solid Roller Cam .850”


Iron Eagle 24° 308cc – Iron (Marine w/ Inconel Valves)

15100112M – 1.550” Dual Springs for Hydraulic Roller .690”


Iron Eagle 24° 345cc – Iron

15200030 – Bare Head

15200132 – 1.550” Dual Springs for Hydraulic Roller .690”

15200136 – 1.625” Dual Springs for Solid Roller Cam .850”


Iron Eagle 24° 345cc – Iron (Marine w/ Inconel Valves)

15200132M – 1.550” Dual Springs for Hydraulic Roller .690”

IE 308 & 345 Tech Sheet – H34

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