t a  e 
REF NO. Part categories Parameter
FAMOUS BRAND : 2CW8 Cylinder Head
  • Additional Detail 1: Complete with Valves, Springs & Rockers, Cast #68234, 80234
  • Additional Detail 2: 8mm Rocker Bolts, No AIR Tubes
  • Block Type: V
  • Cyl Qty: 6
  • Fuel: Gas
  • Head Type: OHV
  • Liter Size: 3.1/3.4
  • OEM Make: Chevrolet
  • Side: Left Or Right
  • VIN: J, E, F
  • Valve Qty: 12
ENGINETECH : CH1043R Cylinder Head
ENGINETECH : CH1055R Cylinder Head
ENGINETECH : CH1056R Cylinder Head
ENGINETECH : CH1057R Cylinder Head
ENGINETECH : CH1060R Cylinder Head
GM GENUINE : 12624550 Cylinder Head
  • Material: Aluminum
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
ENGINETECH : CH1117R Cylinder Head
ENGINETECH : CH1118R Cylinder Head
ENGINETECH : CH1119R Cylinder Head
ENGINETECH : CH1120R Cylinder Head
CYLINDER HEAD EXPRESS : GM3807N Cylinder Head
  • Camshaft Type: OHV
  • Engine Valve Quantity: 12
  • Head Casting Number: 4781
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 : 12671794 Cylinder Head
  • Exhaust Valve Diameter (in): 1.55
  • Exhaust Valve Diameter (mm): 39.4
  • Intake Valve Diameter (in): 2.31
  • Intake Valve Diameter (mm): 58.8
  • Material: Aluminum
  • Valve Spring Diameter (in): 0.846
  • Valve Spring Diameter (mm): 21.5
GM GENUINE : 19259025 Cylinder Head
  • Width (IN): 0.6
GM GENUINE : 19352790 Cylinder Head
  • Material: Aluminum
GM GENUINE : 25200156 Cylinder Head
  • Exhaust Valve Diameter (in): 1.07
  • Exhaust Valve Diameter (mm): 27.24
  • Guide Plates Included: No
  • Intake Valve Diameter (in): 1.12
  • Intake Valve Diameter (mm): 28.57
  • Material: Aluminum
  • Valve Stem Diameter (MM): 6
  • Valve Stem Diameter (in): 0.236
GM GENUINE : 12578243 Cylinder Head
  • Material: Aluminum
  • Volume (cu in): 1690.555cu in
GM GENUINE : 12616487 Cylinder Head
  • Combustion Chamber Volume (CI): 2.947
  • Combustion Chamber Volume (cc): 48.3
  • Exhaust Valve Diameter (in): 1.191
  • Exhaust Valve Diameter (mm): 30.25
  • Intake Valve Diameter (in): 1.382
  • Intake Valve Diameter (mm): 35.1
  • Material: Aluminum
  • Valve Spring Diameter (in): 1.022
  • Valve Spring Diameter (mm): 25.96
  • Valve Stem Diameter (MM): 5.9625
  • Valve Stem Diameter (in): 0.235
GM GENUINE : 12624612 Cylinder Head
  • Material: Aluminum
GM GENUINE : 12711770 Cylinder Head
  • CPP Compatible Transmission/Engine: L9H
  • Exhaust Valve Diameter (in): 1.59
  • Exhaust Valve Diameter (mm): 40.4
  • Guide Plates Included: No
  • Intake Runner Volume (cc): 260
  • Intake Valve Diameter (in): 2.17
  • Intake Valve Diameter (mm): 55
  • Intake Valve Lift (in): 2.165
  • Material: Aluminum
  • Valve Angle (deg): 15 Deg
  • Valve Stem Diameter (MM): 7.97
  • Valve Stem Diameter (in): 0.31
GM GENUINE : 19333093 Cylinder Head
GM GENUINE : 19352791 Cylinder Head
  • Material: Aluminum
ENGINETECH : CH1161R Cylinder Head
CYLINDER HEAD EXPRESS : CI1209B Cylinder Head
  • Assembled: No
  • Camshaft Included: No
  • Casting Material: Aluminum
  • Engine Valve Quantity: 16
  • Lifter Type: Solid Bucket
CYLINDER HEAD EXPRESS : CI1209L Cylinder Head
  • Assembled: Yes
  • Camshaft Included: Yes
  • Casting Material: Aluminum
  • Engine Valve Quantity: 16
  • Lifter Type: Solid Bucket
CYLINDER HEAD EXPRESS : CI530B Cylinder Head
  • Assembled: No
  • Camshaft Type: OHV
  • Casting Material: Aluminum
  • Engine Valve Quantity: 16
  • Head Casting Number: 259,364,821,823
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    Size/Parameters

    Annotated Parameter name Size range Unit