The Edelbrock #61459 Performer RPM Marine-Duty cylinder heads are designed for use with O-Port Big-Block Chevy Marine applications. The Edelbrock #61459 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars whe
Product Features:- Bare Single With Valves
- 110cc Combustion Chamber Volume
- 290cc Intake/110cc Exhaust Runner Volume
- 2.25 in. Intake/1.89 in. Exhaust Valve Diameter
- 0.562 in. Deck Thickness