Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete R01P003L From the development of our

From the development of our first fender flares for the Ford Bronco

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

Compatible with all COMP tools that require a dial indicator

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

Iridium Blue

Edelbrock Performer RPM 348/409 Chevy Cylinder Head - Complete R01P003L From the development of ourCylinder 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