$$544.00Engine \ Cylinder Heads \ Chevy Small Block Aluminum Heads127422
DAT127422
Dart 127422 SBC SHP Aluminum Head 200cc/72cc, 1.437in. Valve Springs, Assembled Each
Dart SHP Aluminum Heads - Assembled   Assembed Heads with 1.437' Valve Springs Part Number: 127422 Valves Int./Ext.: 2.02'/1.60' Comb. Chamber: 72cc Intake Runners: 200cc   Dart SHP Special High Performance cylinder heads provide an affordable option for those who desire the weight savings of aluminum heads for ...
Dart127422 SBC SHP Aluminum Heads 200cc/72cc, 1.437in.

Dart

Dart 127422 SBC SHP Aluminum Head 200cc/72cc, 1.437in. Valve Springs, Assembled Each

$544.00

Item #: DAT127422

Mfg Part #: 127422

Applies To Continental U.S. orders only

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Qty Available: 0

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Specifications
Cylinder Head Specifications
Cylinder Head Style
Assembled
Cylinder Head Material
Aluminum
Intake Port Shape
Rectangular
Intake Valve Diameter (in)
2.020 in.
Cylinder Head Finish
Natural
Combustion Chamber Volume (cc)
72
CNC-Machined Combustion Chamber
No
Intake Runner Volume (cc)
200cc
Exhaust Runner Volume (cc)
75cc
CNC-Machined Intake Runner
No
CNC-Machined Exhaust Runner
No
Combustion Chamber Style
Heart
Intake Port Location
Standard
Exhaust Port Shape
Square
Exhaust Port Location
Standard
Spark Plug Style
Straight
Intake Valves Included
Yes
Exhaust Valves Included
Yes
Exhaust Valve Diameter (in)
1.600 in.
Valve Springs Included
Yes
Maximum Valve Lift (in)
0.620 in.
Outside Diameter of Outer Spring (in)
1.437 in.
Damper Spring Included
No
Number of Springs Per Valve
Single
Retainers Included
Yes
Retainer Material
Steel
Locks Included
Yes
Lock Style
7 degree
Valve Stem Seals Included
Yes
Valve Stem Seal Style
Viton
Rocker Arm Studs Included
Yes
Rocker Arm Nut Thread Size
3/8-24 in.
Rocker Arms Included
No
Rocker Arm Nuts Included
No
Guideplates Included
Yes
Guideplate Pushrod Size
5/16 in.
Valve Cover Mounting Style
Center and perimeter bolt
Accessory Bolt Holes Drilled
Yes
Intake Valve Angle
23
Exhaust Valve Angle
23
Valve Guides Included
Yes
Valve Guide Material
Manganese bronze
Valve Seats Machined
Yes
Valve Seat Machine Style
5-angle intake/2-angle exhaust
Valve Seat Material
Powdered metal
Steam Holes Drilled
No
Oiling Style
Through pushrod
Machined for O-Ring
No
Heat Crossover
No
Quantity
Sold individually.
Notes
Hydraulic roller of solid flat tappet applications.
Applications
Make
Chevrolet
Engine Family
Chevy small block Gen I
Engine Size
5.4L/327-6.6L/400
Years
1962-1986
General
Brand
Dart
Item #
DAT127422
Mfg Part #
127422
Description

Dart SHP Aluminum Heads - Assembled

 

Assembed Heads with 1.437" Valve Springs


Part Number: 127422 Valves Int./Ext.: 2.02"/1.60" Comb. Chamber: 72cc Intake Runners: 200cc

 

Dart SHP Special High Performance cylinder heads provide an affordable option for those who desire the weight savings of aluminum heads for a performance street engine. These units are manufactured from A356-T6 aluminum and are designed to work with most off-the-shelf components. SHP heads are available with your choice of 64cc or 72cc combustion chambers—and come in both 180cc and 200cc intake runner ports that are precision-cast to offer excellent flow and power without the need for CNC-machined porting. They feature optimized chambers for increased combustion efficiency, as well as multi-angle intake seats. The cylinder heads' radiused exhaust seats dramatically increase their performance, and the manganese bronze valve guides increase their life. All SHP aluminum heads feature stainless valves, Viton seals for reduced oil consumption and hardened exhaust seats are compatible with unleaded gasoline.

  • A356-T6 aluminum alloy
  • Bolt on compatibility & allow use of off the shelf pistons & valvetrain components
  • Featuring optimized chambers for increased combution efficiency
  • Muti-angle intake seats
  • The cylinder heads radiused exhaust seats dramatically increase performance
  • Hardened exhaust seats are compatible with unleaded gasoline
  • The manganese bronze valve guides extend cylinder head life
  • Machined for 1.250" or 1.437" diameter valve springs
  • Straight spark plug configuration
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