t a  e 
REF NO. Part categories Parameter
GM GENUINE : 12641093 Cylinder Head
  • Combustion Chamber Volume (CI): 3.325 ; 
  • Combustion Chamber Volume (cc): 54.5 ; 
  • Exhaust Valve Diameter (in): 1.205 ; 
  • Exhaust Valve Diameter (mm): 30.6 ; 
  • Intake Valve Diameter (in): 1.455 ; 
  • Intake Valve Diameter (mm): 36.96 ; 
  • Material: Aluminum ; 
  • Valve Spring Diameter (in): 1.024 ; 
  • Valve Spring Diameter (mm): 26 ; 
  • Valve Stem Diameter (MM): 5.965 ; 
  • Valve Stem Diameter (in): 0.235 ; 
GM GENUINE : 12641095 Cylinder Head
  • Combustion Chamber Volume (CI): 3.325 ; 
  • Combustion Chamber Volume (cc): 54.5 ; 
  • Exhaust Valve Diameter (in): 1.205 ; 
  • Exhaust Valve Diameter (mm): 30.6 ; 
  • Intake Valve Diameter (in): 1.455 ; 
  • Intake Valve Diameter (mm): 36.96 ; 
  • Material: Aluminum ; 
  • Valve Spring Diameter (in): 1.024 ; 
  • Valve Spring Diameter (mm): 26 ; 
  • Valve Stem Diameter (MM): 5.965 ; 
  • Valve Stem Diameter (in): 0.235 ; 
GM GENUINE : 19259025 Cylinder Head
  • Width (IN): 0.6 ; 
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    Size/Parameters

    Annotated Parameter name Size range Unit
        

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