Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete R01P003L All feature anodized aluminum fittings

All feature anodized aluminum fittings

performance coated and roller cam bearings are for use with Dart Engine Blocks

570" ID that works well with our 938 and 927 dual valve springs

438 in Diameter

Compatible with all COMP tools that require a dial indicator

Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete R01P003L All feature anodized aluminum fittingsCylinder 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