The Edelbrock #604919 Performer Bare High Compression Cylinder Heads are designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series Cylinder heads are 50-state street legal and provide outstanding performance from Idle-5,500
Product Features:- High Compression
- 100cc Combustion Chamber Volume
- 290cc Intake/110cc Exhaust Runner Volume
- 2.19 in. Intake/1.88 in. Exhaust Valve Diameter
- 0.562 in. Deck Thickness