Edelbrock Chevy 348/409 Performer RPM Cylinder Head - Assembly Freeze Plug Driver With precise resolution and ultra

With precise resolution and ultra smooth needle movement

Provides frame rail clearance when lowering your ride height

They are legal for all sanctioning bodies for carburetor linkage spring retention and include all hardware for easy installation

sludge and varnish protection

250 in Thick Rotor Maximum

Edelbrock Chevy 348/409 Performer RPM Cylinder Head - Assembly Freeze Plug Driver With precise resolution and ultraCylinder 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