Victor CNC DR-17 Cylinder Heads for Big-Block Chevys, 120CC

The Edelbrock 615467 Victor CNC DR-17 Cylinder Heads are designed for Big-Block Chevrolet engines, featuring a 120cc combustion chamber, 425cc port volume, 2.450" intake valves, and 1.850" exhaust valves. These bare aluminum heads are CNC-machined for precision and performance, offering raised intake and exhaust ports and a 17° valve angle to improve flow and engine efficiency. They are cast from premium aluminum alloy and undergo hot isostatic pressing for enhanced durability, compatible with shaft rocker systems and adaptable to standard or tall deck blocks with appropriate manifolding.