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QUALITY STRENGTH PERFORMANCE SINCE 1981<br />
QUICK INFO >>><br />
Serious street performance, modified oval track and<br />
bracket racing. Mid-range to 7,000 RPM.<br />
Dart Iron Eagle Platinum 23° 215cc heads are for<br />
big cubic inch, high RPM applications which favor<br />
peak power over low end flexibility.<br />
Long wearing Bronze valve guides, screw-in<br />
studs, multi-angle intake seats and hardened<br />
and radiused exhaust seats are standard. Best of<br />
all, our precision cast ports produce outstanding<br />
airflow without time consuming porting.<br />
Assemblies include Stainless Steel valves,<br />
premium springs, locks, retainers, studs, guide<br />
plates and seals.<br />
Heads are sold individually.<br />
IRON EAGLE 23° 215cc (Straight Plug Heads)<br />
64cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10520020P Bare Head<br />
10521122P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
10521123P 1.550” Dual Springs for Solid Roller Cam .700”<br />
72cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10620020P Bare Head<br />
10621122P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
10621123P 1.550” Dual Springs for Solid Roller Cam .700”<br />
IRON EAGLE 23° 215cc (Angle Plug Heads)<br />
23°<br />
215cc<br />
49cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10510020PF Bare Head<br />
64cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10510020P Bare Head<br />
10511122P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
10511123P 1.550” Dual Springs for Solid Roller Cam .700”<br />
72cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10610020P Bare Head<br />
10611122P 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
10611123P 1.550” Dual Springs for Solid Roller Cam .700”<br />
SMALL BLOCK CHEVY<br />
CAST IRON CYLINDER HEADS<br />
Head parts kit - see page 118.<br />
Uses 3/8” screw-in rocker studs.<br />
7/16” upgrade available.<br />
Heads with 49cc chambers require<br />
special pistons.<br />
Assemblies with 1.550” valve spring<br />
use +.100” long valves.<br />
RECOMMENDED MANIFOLD<br />
42411000 Single Plane<br />
IRON EAGLE 23° 215cc SPECS<br />
Material: High Nickel 220<br />
BHN Cast Iron<br />
Valve Angle: 23° (stock)<br />
Intake Port Volume: 215cc<br />
Intake Valve: 2.050”<br />
Exhaust Valve: 1.600”<br />
Chamber Volume: 49, 64, 72cc<br />
Plug Types: Straight or angle<br />
FLOW DATA @ 28” WATER<br />
LIFT INTAKE EXHAUST<br />
.200” 132 117<br />
.300” 189 154<br />
.400” 232 179<br />
.500” 263 195<br />
.600” 283 205<br />
SHORT BLOCKS TOP KITS BLOCKS HEADS MANIFOLDS CRANKSHAFT ACCESS SBC LS BBC SBF HON COATINGS BILLET<br />
Not intended for sale or use with pollution controlled vehicles.<br />
248.362.1188 / DARTHEADS.COM Connect with us socially, search: DART MACHINERY<br />
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