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QUALITY STRENGTH PERFORMANCE SINCE 1981<br />
Dart’s SHP (Special High Performance) 23°<br />
200cc cylinder heads provide an affordable<br />
option for larger displacement street performance<br />
engines. The SHP is designed to<br />
work with most off the shelf components.<br />
The SHP head’s precision cast ports are<br />
designed to offer excellent flow and power<br />
without the need for CNC porting. Optimized<br />
chambers increase combustion efficiency,<br />
and multi-angle intake seats and radiused<br />
exhaust seats dramatically increase performance.<br />
Manganese Bronze valve guides<br />
increase the life of the head.<br />
Heads are sold individually.<br />
SHP 23° 200cc - ALUMINUM<br />
23°<br />
200cc<br />
QUICK INFO >>><br />
Street performance, restricted oval track, and<br />
marine performance upgrade. Mid-range to 6,500<br />
RPM. Best for 383-434 cubic inch engines.<br />
SMALL BLOCK CHEVY<br />
CAST ALUMINUM CYLINDER HEADS<br />
64cc COMBUSTION CHAMBERS<br />
PART NO. CONFIGURATION FOR USE MAX. LIFT<br />
127311 Bare Head<br />
127322 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 />
127411 Bare Head<br />
127422 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”<br />
SHP SHORT BLOCKS 372, 400<br />
& 427 CUBIC INCH<br />
Simplify engine building and save time<br />
with pre-engineered, dyno tested short<br />
block combinations from Dart’s Special<br />
High Performance group.<br />
See page 12 for information.<br />
Head parts kit - see page 118.<br />
Uses 3/8” screw-in rocker studs.<br />
7/16” upgrade available.<br />
RECOMMENDED MANIFOLDS<br />
42811000 SHP Dual Plane<br />
42411000 Single Plane<br />
SHP 23° 200cc SPECS<br />
Material:<br />
RMR Cast<br />
Aluminum Alloy<br />
Valve Angle: 23° (stock)<br />
Intake Port Volume: 200cc<br />
Intake Valve: 2.020”<br />
Exhaust Valve: 1.600”<br />
Chamber Volume: 64 or 72cc<br />
Plug Type:<br />
Straight<br />
FLOW DATA @ 28” WATER<br />
LIFT INTAKE EXHAUST<br />
.200” 149 103<br />
.300” 197 143<br />
.400” 237 170<br />
.500” 252 186<br />
.600” 254 195<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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