Edelbrock Performer RPM Cylinder Head - Assembled - 2.190 / 1.880 in Valve - 315 cc Intake - 118 cc Chamber - 1.550 in Springs - Big Block Chevy LY23071 Combustion Chambers: 67 cc

Combustion Chambers: 67 cc

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Prevent rough idling and difficult starting caused by vapor lock with DEI Vapor Block

The EZ-EFI 2

Edelbrock Performer RPM Cylinder Head - Assembled - 2.190 / 1.880 in Valve - 315 cc Intake - 118 cc Chamber - 1.550 in Springs - Big Block Chevy LY23071 Combustion Chambers: 67 ccCylinder Head Specifications: Combustion chamber volume: 118cc; Intake runner volume: 315cc; Exhaust runner volume: 110cc; Intake valve diameter: 2. 19"; Exhaust valve diameter: 1. 88"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 9 16"; Valve spring diameter: 1. 55"; Valve spring maximum lift: . 700"; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 3 8"; Valve angle: 26 ; Exhaust port location: Stock;