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 The wheel comes with a

The wheel comes with a horn button and is pre-drilled with the standard 6-bolt pattern

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

Combustion Chambers: 67 cc

Does Not Include Shift Boot

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 The wheel comes with aCylinder 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;