Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete 20164 unless noted

unless noted

400 lph at 40 psi

Positive Visor Seal Prevents Dust From Entering the Eyeport

547 in Long

Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete 20164 unless notedCylinder Head Specifications; Combustion chamber volume: 16cc; Intake runner volume: 215cc; Exhaust runner volume: 115cc; Intake valve diameter: 2. 19; Exhaust valve diameter: 1. 72; Valve stem diameter: 11 32; Valve guides: Manganese bronze; Deck thickness: 9 16; Valve spring diameter: 1. 55; Valve spring maximum lift: . 600; Rocker stud: 7 16; Guideplate: Hardened steel; Pushrod diameter: 3 8; Valve angle: 0 ; Exhaust port location: Stock; Spark