Edelbrock Chevy 348/409 Performer RPM Cylinder Head - Assembly Freeze Plug Driver They are legal for all

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

and GT5 helmets to allow these models to be adapted for use as a top forced air helmet

2 in to 2-1/2 in ID

and a commitment to ourselves and our customers

Four strips contain six individual break-away blades that are easily removed or separated using needle nose pliers

Edelbrock Chevy 348/409 Performer RPM Cylinder Head - Assembly Freeze Plug Driver They are legal for allCylinder 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