Edelbrock Cylinder Head E-Cnc GM Gen IIi/IV LS3 Small Port Lsx Block

Edelbrock Cylinder Head E-Cnc GM Gen IIi/IV LS3 Small Port Lsx BlockCylinder Head Specifications: Combustion chamber volume: 69cc; Intake runner volume: 230cc; Exhaust runner volume: 80cc; Intake valve diameter: 2. 135"; Exhaust valve diameter: 1. 55"; Valve stem diameter: 8mm; Valve guides: Manganese bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 30"; Valve spring maximum lift: . 680"; Rocker stud: N A; Guideplate: N A; Pushrod diameter: 5 16"; Valve angle: 13. 25; Exhaust port location: 0. 125" Raised Port;

Cylinder Head Specifications: Combustion chamber volume: 69cc; Intake runner volume: 230cc; Exhaust runner volume: 80cc; Intake valve diameter: 2.135"; Exhaust valve diameter: 1.55"; Valve stem diameter: 8mm; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.30"; Valve spring maximum lift: .680"; Rocker stud: N/A; Guideplate: N/A; Pushrod diameter: 5/16"; Valve angle: 13.25°; Exhaust port location: 0.125" Raised Port; Spark plug fitment: 14mm x 3/4 reach, gasket seat. * Our E-CNC LS3 Cylinder Heads are a great general-purpose high performance cylinder head for any street- strip LS engine. These cylinder heads have a high velocity port compared to stock LS3 cylinder heads, making them an ideal upgrade for any cathedral port or 3.89" bore LS application. They feature an improved design and casting that gives cylinder head porters more material to work with compared to stock heads. Like all of our other E-CNC cylinder heads, these feature fully CNC'd intake ports, combustion chambers and exhaust ports for improved performance. Compatible with stock style rocker arms. * Match with Edelbrock head gasket sets. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. IMPORTANT NOTES; E-CNC LS3 cylinder heads are a great general purpose high performance cylinder head for any street- strip LS engine. These cylinder heads have a high velocity port compared to stock LS3 cylinder heads, making them an ideal upgrade for any cathedral port or 3.89" bore LS application. They feature an improved design and casting that gives cylinder head porters more material to work with compared to stock heads. Compatible with stock style rocker arms. Features an exhaust port that has been raised 0.125" as well as raised spring pockets that have been machined 0.200" for use with longer valves.
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Installation Instructions