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Dart's Iron Eagle high performance cast iron head incorporate all the latest state-of-theart technology to produce the most advanced cast iron heads on the planet. There are many features that set the Iron Eagle apart from others including, Superior castings (ideal port walls and water passages), refined intake and exhaust port design, highly efficient 64cc combustion chambers, bronze guides, hardened exhaust seats (special radius design), angled or straight plug location, 180cc intake runners and dual valve cover bolt patterns.

Prices per head.

Cylinder Head Style: Bare

Cylinder Head Material: Cast iron

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 64

CNC-Machined Combustion Chamber: No

Intake Runner Volume (cc): 180cc

Exhaust Runner Volume (cc): 77cc

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Combustion Chamber Style: Heart

Intake Port Shape: Rectangular

Intake Port Location: Standard

Exhaust Port Shape: Square

Exhaust Port Location: Standard

Spark Plug Style: Angle

Intake Valves Included: No

Intake Valve Diameter (in): 2.020 in.

Exhaust Valves Included: No

Exhaust Valve Diameter (in): 1.600 in.

Valve Springs Included: No

Damper Spring Included: No

Retainers Included: No

Locks Included: No

Valve Stem Seals Included: No

Rocker Arm Studs Included: No

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: No

Valve Cover Mounting Style: Center and perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 23

Exhaust Valve Angle: 23

Valve Guides Included: Yes

Valve Guide Material: Manganese bronze intake/Phosphorous bronze exhaust

Valve Seats Machined: Yes

Valve Seat Machine Style: 4-angle intake/3-angle exhaust

Valve Seat Material: Ductile iron

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: Yes

Quantity: Sold individually.