Edelbrock Performer RPM Marine Cylinder Heads For BBC (SOLD PER HEAD)
- Cylinder Head Specifications:
- Combustion chamber volume: 110cc / 118cc
- Intake runner volume: 290cc
- Exhaust runner volume: 110cc
- Intake valve diameter: 2.25"
- Exhaust valve diameter: 1.89"
- Valve stem diameter: 11/32"
- Valve guides: Manganese bronze
- Deck thickness: 9/16"
- Valve spring diameter: Springs NOT Included
- Valve spring maximum lift: N/A
- Rocker stud: 7/16"
- Guideplate: Hardened steel
- Pushrod diameter: 3/8"
- Valve angle: 26°
- Exhaust port location: Stock
- Spark plug fitment: 14mm x 3/4 reach, gasket seat
PERFORMER RPM MARINE-DUTY 454-O AND 454-R CHEVY FEATURES:
- Heavy-duty, 1.89" Inconel exhaust valves provide added durability for marine applications.
- Hard anodized black to protect the aluminum cylinder heads in the harsh marine environment.
- Sold with valves only to allow for valve spring choices.
- Match with an Edelbrock Performer RPM manifold, Performer Series 750 cfm marine carb and Performer RPM cam for proven performance.
- Smaller-than-stock 11/32" valve stems promote excellent flow and lighter valve weight.
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