Iron Eagle S/S heads, offered with 165cc, 170cc, or 180cc intake runners, are ideal for 305-383 cu. in. engines that operate in the idle-5500 RPM range. Competition style, Iron Eagle Platinum versions, offered with 200cc, 215cc, 227cc or 230cc intake runners, are designed for large displacement engines that run 7,000+ RPM. The 227cc version includes fully CNC-ported intake runners. All heads, which feature OEM 23ΓΈ valve angle, include bronze valve guides, hardened exhaust seats, and multi-angle valve jobs. Assemblies include stainless valves, valve springs, locks, retainers, and seals. Sold individually in straight and angle plug versions. Sold each.
- Cylinder Head Style:
- Bare
- Cylinder Head Material:
- Cast iron
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 76cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 165cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 23 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 65cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- 23 degree
- Intake Valves Included:
- No
- Intake Valve Diameter (in.):
- 2.020 in.
- Exhaust Valves Included:
- No
- Exhaust Valve Diameter (in.):
- 1.600 in.
- Valve Type:
- N/A
- Maximum Valve Lift (in.):
- N/A
- Valve Springs Included:
- No
- Valve Spring Type:
- N/A
- Outside Diameter of Outer Spring (in.):
- N/A
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Cast iron
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Ductile iron
- Valve Seat Machine Style:
- 4-angle intake/3-angle exhaust
- Retainers Included:
- No
- Retainer Material:
- N/A
- Valve Stem Seals Included:
- No
- Valve Stem Seal Style:
- N/A
- Locks Included:
- No
- Lock Style:
- N/A
- Camshaft Style:
- N/A
- Spark Plug Style:
- Straight
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- Accessory Bolt Holes Drilled:
- Yes
- Valve Cover Mounting Style:
- Center and perimeter bolt
- Heat Crossover:
- Yes
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.9L/302-6.6L/400
- Years:
- 1962-1986
