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Our new Iron Eagles are the first true high-performance cast iron cylinder heads! The result of
three decades of cylinder head development, Iron Eagle heads incorporate features that were
previously available only in expensive aluminum cylinder heads. Iron Eagles are the affordable
alternative!
We designed Iron Eagle heads for street performance, bracket racing, oval track competition, and
high-performance marine use. We offer four different intake ports - 180cc, 200cc, 215cc, and
230cc - that cover virtually every engine application. For example, our high-velocity 180cc
intake runner delivers instant throttle response on the highway, and our monster 230cc intake
runner meets the needs of large displacement and high rpm racing engines with the biggest ports
you can buy in a cast iron small block head!
Dart Iron Eagle heads have standard features you don't get in other factory and aftermarket cast
iron cylinder heads. Long-wearing bronze valve guides, multi-angle intake valve seats, and
hardened and radiused exhaust seats are standard. Best of all, our precision-cast ports produce
outstanding airflow without time-consuming porting or expensive CNC machining! You'll soar with
the eagles when you use Dart Iron Eagle Heads!
Four intake port sizes: 180cc, 200cc, 215cc, 230cc, cover applications from street to all-out racing.
Standard port location and intake bolt pattern fit most manifolds. Pushrod holes are enlarged for clearance with high-ratio rocker arms.
Combustion chambers available with choice of 64cc or 72cc volume to tailor compression ratio to individual requirements.
Heart-shaped chambers improve combustion efficiency and fit most standard pistons.
Multi-angle intake seats and radiused exhaust seats dramatically increase airflow.
Hardened exhaust seats are compatible with unleaded gasoline. Magnesium bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life.
Spark plug holes are machined for tapered seat 5/8'' hex ''peanut'' plugs.
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