t a  e 
REF NO. Part categories Parameter
FAMOUS BRAND : 2CW3 Cylinder Head
  • Additional Detail 1: Complete with Valves & Springs ; 
  • Additional Detail 2: 8mm Bosses for Rockers ; 
  • Block Type: V ; 
  • Cyl Qty: 6 ; 
  • Fuel: Gas ; 
  • Head Type: OHV ; 
  • Liter Size: 4.3 ; 
  • OEM Make: Chevrolet ; 
  • Side: Left Or Right ; 
  • VIN: W, X ; 
  • Valve Qty: 12 ; 
  • Years: 1999-2014 ; 
FAMOUS BRAND : 2CTF Cylinder Head
  • Additional Detail 1: Complete with Valves & Springs ; 
  • Additional Detail 2: Cast #62317, 72035 ; 
  • Block Type: V ; 
  • Cyl Qty: 8 ; 
  • Fuel: GAS, BI-FUEL ; 
  • Head Type: OHV ; 
  • Liter Size: 6.0 ; 
  • OEM Make: GM ; 
  • Side: Left Or Right ; 
  • VIN: N, U ; 
  • Valve Qty: 16 ; 
  • Years: 2001-10 ; 
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 : EHC293 Cylinder Head
ENGINETECH : CH1043R Cylinder Head
ENGINETECH : CH1055R Cylinder Head
ENGINETECH : CH1056R Cylinder Head
ENGINETECH : CH1057R Cylinder Head
ENGINETECH : CH1059R Cylinder Head
ENGINETECH : CH1060R Cylinder Head
ENGINETECH : EHC4022 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 ; 
GM GENUINE : 12682375 Cylinder Head
  • CNC Ported: No ; 
  • Combustion Chamber Volume (CI): 2.8333 ; 
  • Combustion Chamber Volume (cc): 46.43 ; 
  • Exhaust Valve Diameter (in): 1.14 ; 
  • Exhaust Valve Diameter (mm): 29 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12666597 ; 
  • Intake Valve Diameter (in): 1.44 ; 
  • Intake Valve Diameter (mm): 36.5 ; 
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 5.955 ; 
  • Valve Stem Diameter (in): 0.234 ; 
ITM ENGINE COMPONENTS : 605043 Cylinder Head
ENGINETECH : CH1116R Cylinder Head
ENGINETECH : CH1117R Cylinder Head
ENGINETECH : CH1118R Cylinder Head
ENGINETECH : CH1119R Cylinder Head
ENGINETECH : CH1120R Cylinder Head
ENGINETECH : CH1121R Cylinder Head
ENGINETECH : CH1122R Cylinder Head
CYLINDER HEAD EXPRESS : GM3807N Cylinder Head
  • Camshaft Type: OHV ; 
  • Engine Valve Quantity: 12 ; 
  • Head Casting Number: 4781 ; 
CYLINDER HEAD EXPRESS : GM6603N Cylinder Head
  • Camshaft Type: OHV ; 
  • Engine Valve Quantity: 32 ; 
  • Head Casting Number: 409-1 ; 
CYLINDER HEAD EXPRESS : GM6604N Cylinder Head
  • Camshaft Type: OHV ; 
  • Engine Valve Quantity: 32 ; 
  • Head Casting Number: 476-1 ; 
GM GENUINE : 12608280 Cylinder Head
  • CNC Ported: No ; 
  • Combustion Chamber Volume (CI): 3.0206 ; 
  • Combustion Chamber Volume (cc): 49.5 ; 
  • Exhaust Valve Diameter (in): 1.19 ; 
  • Exhaust Valve Diameter (mm): 30.25 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12608279 ; 
  • Intake Valve Diameter (in): 1.38 ; 
  • Intake Valve Diameter (mm): 35.1 ; 
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 5.9625 ; 
  • Valve Stem Diameter (in): 0.235 ; 
GM GENUINE : 12668716 Cylinder Head
  • Exhaust Valve Diameter (in): 0.917 ; 
  • Exhaust Valve Diameter (mm): 23.3 ; 
  • Intake Valve Diameter (in): 1.1 ; 
  • Intake Valve Diameter (mm): 28 ; 
  • Material: Aluminum ; 
  • Valve Spring Diameter (in): 0.81 ; 
  • Valve Spring Diameter (mm): 20.59 ; 
GM GENUINE : 12675702 Cylinder Head
  • CNC Ported: No ; 
  • Exhaust Valve Diameter (in): 0.92 ; 
  • Exhaust Valve Diameter (mm): 23.3 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12668719 ; 
  • Intake Valve Diameter (in): 1.1 ; 
  • Intake Valve Diameter (mm): 28 ; 
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 4.965 ; 
  • Valve Stem Diameter (in): 0.195 ; 
GM GENUINE : 12675872 Cylinder Head
  • CNC Ported: No ; 
  • Combustion Chamber Volume (CI): 4.1068 ; 
  • Combustion Chamber Volume (cc): 67.3 ; 
  • Exhaust Valve Diameter (in): 1.59 ; 
  • Exhaust Valve Diameter (mm): 40.4 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12604863 ; 
  • Intake Valve Diameter (in): 2.17 ; 
  • Intake Valve Diameter (mm): 55 ; 
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 7.966 ; 
  • Valve Stem Diameter (in): 0.314 ; 
ITM ENGINE COMPONENTS : 605053 Cylinder Head
GM GENUINE : 12555630 Cylinder Head
  • Material: Aluminum ; 
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 : 12641100 Cylinder Head
  • Combustion Chamber Volume (CI): 3.112 ; 
  • Combustion Chamber Volume (cc): 51 ; 
  • Exhaust Valve Diameter (in): 1.205 ; 
  • Exhaust Valve Diameter (mm): 30.6 ; 
  • Intake Valve Diameter (in): 1.384 ; 
  • Intake Valve Diameter (mm): 35.16 ; 
  • 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 : 12684222 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 6.01 ; 
  • Valve Stem Diameter (in): 0.24 ; 
GM GENUINE : 12686233 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 6.01 ; 
  • Valve Stem Diameter (in): 0.24 ; 
GM GENUINE : 12690428 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 6.01 ; 
  • Valve Stem Diameter (in): 0.24 ; 
GM GENUINE : 12691256 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 5.4 ; 
  • Valve Stem Diameter (in): 0.21 ; 
GM GENUINE : 12692323 Cylinder Head
GM GENUINE : 12694943 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 4.4 ; 
  • Valve Stem Diameter (in): 0.17 ; 
GM GENUINE : 12699619 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 8.01 ; 
  • Valve Stem Diameter (in): 0.32 ; 
GM GENUINE : 12702633 Cylinder Head
GM GENUINE : 12703610 Cylinder Head
  • Combustion Chamber Volume (CI): 59.02 ; 
  • Exhaust Valve Diameter (in): 1.59 ; 
  • Exhaust Valve Diameter (mm): 40.4 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12702630 ; 
  • Intake Valve Diameter (in): 54 ; 
  • Intake Valve Diameter (mm): 2.13 ; 
  • Material: Aluminum ; 
  • Valve Angle: 45 ; 
  • Valve Spring Diameter (in): 1.3 ; 
  • Valve Spring Diameter (mm): 33 ; 
  • Valve Stem Diameter (MM): 7.97 ; 
  • Valve Stem Diameter (in): 0.31 ; 
GM GENUINE : 19206642 Cylinder Head
  • Exhaust Valve Diameter (in): 1.319 ; 
  • Exhaust Valve Diameter (mm): 33.5 ; 
  • Intake Valve Diameter (in): 1.524 ; 
  • Intake Valve Diameter (mm): 38.7 ; 
  • Material: Aluminum ; 
  • Valve Spring Diameter (in): 1.035 ; 
  • Valve Spring Diameter (mm): 26.28 ; 
  • Valve Stem Diameter (MM): 5.963 ; 
  • Valve Stem Diameter (in): 0.235 ; 
GM GENUINE : 19206643 Cylinder Head
  • Exhaust Valve Diameter (in): 1.319 ; 
  • Exhaust Valve Diameter (mm): 33.5 ; 
  • Intake Valve Diameter (in): 1.524 ; 
  • Intake Valve Diameter (mm): 38.7 ; 
  • Material: Aluminum ; 
  • Valve Spring Diameter (in): 1.035 ; 
  • Valve Spring Diameter (mm): 26.28 ; 
  • Valve Stem Diameter (MM): 5.953 ; 
  • Valve Stem Diameter (in): 0.234 ; 
GM GENUINE : 19259025 Cylinder Head
  • Width (IN): 0.6 ; 
GM GENUINE : 19316052 Cylinder Head
GM GENUINE : 19329667 Cylinder Head
GM GENUINE : 19329668 Cylinder Head
GM GENUINE : 19329673 Cylinder Head
GM GENUINE : 19329674 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 19352790 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 19419467 Cylinder Head
  • Width (IN): 4.95 ; 
GM GENUINE : 25195269 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 : 55514769 Cylinder Head
  • Combustion Chamber Volume (CI): 31.5 ; 
  • Exhaust Valve Diameter (in): 0.92 ; 
  • Exhaust Valve Diameter (mm): 23.3 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 55512233 ; 
  • Intake Valve Diameter (in): 28 ; 
  • Intake Valve Diameter (mm): 1.1 ; 
  • Material: Aluminum ; 
  • Valve Angle: 46 ; 
  • Valve Spring Diameter (in): 0.84 ; 
  • Valve Spring Diameter (mm): 21.25 ; 
  • Valve Stem Diameter (MM): 4.97 ; 
  • Valve Stem Diameter (in): 0.2 ; 
GM GENUINE : 12600821 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12604863 Cylinder Head
  • Material: Aluminum ; 
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 : 12621773 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12624612 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12633962 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12633963 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12684528 Cylinder Head
  • CNC Ported: No ; 
  • Exhaust Valve Diameter (in): 1.14 ; 
  • Exhaust Valve Diameter (mm): 29 ; 
  • Guide Plates Included: No ; 
  • Head Casting Number: 12657191 ; 
  • Intake Valve Diameter (in): 1.42 ; 
  • Intake Valve Diameter (mm): 36 ; 
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 5.955 ; 
  • Valve Stem Diameter (in): 0.234 ; 
GM GENUINE : 12690422 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 6.01 ; 
  • Valve Stem Diameter (in): 0.24 ; 
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 ; 
GM GENUINE : 98025704 Cylinder Head
  • Material: Aluminum ; 
ENGINETECH : CH1161R Cylinder Head
GM GENUINE : 12708357 Cylinder Head
GM GENUINE : 12711769 Cylinder Head
  • Exhaust Valve Diameter (in): 1.59 ; 
  • Exhaust Valve Diameter (mm): 40.4 ; 
  • Guide Plates Included: No ; 
  • Intake Valve Diameter (in): 55 ; 
  • Intake Valve Diameter (mm): 2.17 ; 
  • Material: Aluminum ; 
  • Valve Angle: 45 ; 
  • Valve Stem Diameter (MM): 7.97 ; 
  • Valve Stem Diameter (in): 0.31 ; 
GM GENUINE : 12698289 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 8.01 ; 
  • Valve Stem Diameter (in): 0.32 ; 
GM GENUINE : 12698290 Cylinder Head
  • Material: Aluminum ; 
  • Valve Stem Diameter (MM): 8.01 ; 
  • Valve Stem Diameter (in): 0.32 ; 
GM GENUINE : 12699617 Cylinder Head
  • Exhaust Valve Diameter (in): 1.59 ; 
  • Intake Runner Volume (cc) (CC): N/A ; 
  • Intake Valve Lift (in): 2.13 ; 
  • Material: Aluminum ; 
  • Valve Angle (deg): Splayed ; 
  • Valve Stem Diameter (MM): 8.01 ; 
  • Valve Stem Diameter (in): 0.32 ; 
GM GENUINE : 12703173 Cylinder Head
  • Exhaust Valve Diameter (in): 0.86 ; 
  • Exhaust Valve Diameter (mm): 21.97 ; 
  • Guide Plates Included: No ; 
  • Intake Valve Diameter (in): 28 ; 
  • Intake Valve Diameter (mm): 1.1 ; 
  • Valve Angle: 45.33 ; 
  • Valve Stem Diameter (MM): 4.96 ; 
  • Valve Stem Diameter (in): 0.2 ; 
GM GENUINE : 12708352 Cylinder Head
GM GENUINE : 12708912 Cylinder Head
GM GENUINE : 12708953 Cylinder Head
GM GENUINE : 12718556 Cylinder Head
GM GENUINE : 12724879 Cylinder Head
GM GENUINE : 12724883 Cylinder Head
GM GENUINE : 40009167 Cylinder Head
CYLINDER HEAD EXPRESS : GM6606N Cylinder Head
  • Camshaft Type: OHV ; 
  • Engine Valve Quantity: 32 ; 
  • Head Casting Number: 704-1 ; 
CYLINDER HEAD EXPRESS : CI519B Cylinder Head
  • Assembled: No ; 
  • Camshaft Type: OHV ; 
  • Casting Material: Aluminum ; 
  • Engine Valve Quantity: 32 ; 
  • Head Casting Number: 476-1 ; 
CYLINDER HEAD EXPRESS : CI520B Cylinder Head
  • Assembled: No ; 
  • Camshaft Type: OHV ; 
  • Casting Material: Aluminum ; 
  • Engine Valve Quantity: 32 ; 
  • Head Casting Number: 476-1 ; 
CYLINDER HEAD EXPRESS : CI523B Cylinder Head
  • Assembled: No ; 
  • Camshaft Type: OHV ; 
  • Casting Material: Aluminum ; 
  • Engine Valve Quantity: 16 ; 
  • Head Casting Number: 035,317 ; 
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 ; 
CYLINDER HEAD EXPRESS : CI532B Cylinder Head
  • Assembled: No ; 
  • Camshaft Included: No ; 
  • Camshaft Type: DOHC ; 
  • Casting Material: Aluminum ; 
  • Engine Valve Quantity: 16 ; 
  • Head Casting Number: 291,622,669 ; 
  • Lifter Type: Hyd Lifters ; 
CYLINDER HEAD EXPRESS : CI533B Cylinder Head
  • Assembled: No ; 
  • Camshaft Type: OHV ; 
  • Casting Material: Aluminum ; 
  • Engine Valve Quantity: 32 ; 
  • Fuel Injector Type: 19.5mm Injector Hole Diameter ; 
  • Head Casting Number: 704-1 ; 
ENGINE PRO : 911533 Cylinder Head
ENGINE PRO : 911562 Cylinder Head
ENGINE PRO : 911563 Cylinder Head
ENGINE PRO : 911567 Cylinder Head
GM GENUINE : 12656411 Cylinder Head
  • Material: Aluminum ; 
GM GENUINE : 12705857 Cylinder Head
CYLINDER HEAD EXPRESS : CI532L Cylinder Head
GM GENUINE : 12718561 Cylinder Head
GM GENUINE : 12733805 Cylinder Head
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    Size/Parameters

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