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QUALITY STRENGTH PERFORMANCE SINCE 1981<br />
Dart Iron Eagle 23° 180cc cylinder heads are<br />
an affordable alternative to more expensive<br />
Aluminum heads. These 180cc heads out perform<br />
many larger heads in a wide range of applications.<br />
Long wearing Bronze valve guides,<br />
screw-in studs, multi-angle intake seats and<br />
hardened and radiused exhaust seats are<br />
standard. Best of all, our precision cast ports<br />
produce outstanding airflow without time consuming<br />
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° 180cc (Straight Plug Heads)<br />
64cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10120010 Bare Head<br />
10121111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
10121112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
72cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10220010 Bare Head<br />
10221111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
10221112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
IRON EAGLE 23° 180cc (Angle Plug Heads)<br />
23°<br />
180cc<br />
QUICK INFO >>><br />
An excellent street, strip, oval track, truck or marine<br />
performance upgrade. Maximum torque and throttle<br />
response from idle to 6,000 RPM. Best for 327-400<br />
cubic inch engines. Works with most standard<br />
components.<br />
49cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10110010F Bare Head<br />
64cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10110010 Bare Head<br />
10111111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
10111112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
72cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
10210010 Bare Head<br />
10211111 1.250” Single Springs for Hydraulic Flat Tappet Cam .510”<br />
10211112 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<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<br />
require special pistons.<br />
RECOMMENDED MANIFOLD<br />
42811000 SHP Dual Plane<br />
IRON EAGLE 23° 180cc SPECS<br />
Material: High Nickel 220<br />
BHN Cast Iron<br />
Valve Angle: 23° (stock)<br />
Intake Port Volume: 180cc<br />
Intake Valve: 2.020”<br />
Exhaust Valve: 1.600”<br />
Chamber Volume: 49, 64, 72cc<br />
Plug Types:<br />
Straight or angle<br />
FLOW DATA @ 28” WATER<br />
LIFT INTAKE EXHAUST<br />
.200” 139 117<br />
.300” 194 154<br />
.400” 233 179<br />
.500” 260 195<br />
.600” 269 205<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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