Airflow Research 1038 Cylinder Heads, Street Porting, Aluminum, Assembled, 75cc Chamber, 195cc Intake, Chevy, Small Block, Pair 

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Airflow Research 1038 Cylinder Heads Street Porting

 

  • Accessory Bolt Holes Drilled
    		•  Yes
  • CNC-Machined Combustion Chamber
    		•  Yes
  • CNC-Machined Exhaust Runner
    		•  Yes
  • CNC-Machined Intake Runner
    		•  Yes
  • Combustion Chamber Style
    		•  Heart
  • Combustion Chamber Volume (cc)
    		•  75
  • Cylinder Head Finish
    		•  Natural
  • Cylinder Head Material
    		•  Aluminum
  • Cylinder Head Style
    		•  Assembled
  • Damper Spring Included
    		•  Yes
  • Exhaust Port Location
    		•  Raised
  • Exhaust Port Shape
    		•  Square
  • Exhaust Runner Volume (cc)
    		•  64cc
  • Exhaust Valve Angle
    		•  23
  • Exhaust Valve Diameter (in)
    		•  1.600 in.
  • Exhaust Valves Included
    		•  Yes
  • Guideplate Pushrod Size
    		•  5/16 in.
  • Guideplates Included
    		•  Yes
  • Heat Crossover
    		•  Yes
  • Intake Port Location
    		•  Standard
  • Intake Port Shape
    		•  Rectangular
  • Intake Runner Volume (cc)
    		•  195cc
  • Intake Valve Angle
    		•  23
  • Intake Valve Diameter (in)
    		•  2.050 in.
  • Intake Valves Included
    		•  Yes
  • Lock Style
    		•  7 degree
  • Locks Included
    		•  Yes
  • Machined for O-Ring
    		•  No
  • Maximum Valve Lift (in)
    		•  0.600 in.
  • Notes
    		•  These cylinder heads are a L98 based geometry. Not compatible with self-aligning rocker arms. Exhaust port is raised 0.100 in. over stock and are stock ported.
  • Number of Springs Per Valve
    		•  Dual
  • Oiling Style
    		•  Through pushrod
  • Outside Diameter of Outer Spring (in)
    		•  1.290 in.
  • Quantity
    		•  Sold as a pair.
  • Retainer Material
    		•  Chromoly steel
  • Retainers Included
    		•  Yes
  • Rocker Arm Nut Thread Size
    		•  3/8-24 in.
  • Rocker Arm Nuts Included
    		•  No
  • Rocker Arm Studs Included
    		•  Yes
  • Rocker Arms Included
    		•  No
  • Spark Plug Style
    		•  Angle
  • Steam Holes Drilled
    		•  No
  • Valve Cover Mounting Style
    		•  Center and perimeter bolt
  • Valve Guide Material




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    Instructions

    Summit Racing Part Number: AFR-1038

    Fitment

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