Edelbrock 60547 Performer Series RPM NHRA Stock/Super Stock Cylinder Head
- FREE SHIPPING TO LOWER 48! In stock items ship within 1 business day. Average delivery time is 3 days.
- 11.00 (in)
- 8.50 (in)
- 26.00 (in)
Cylinder Head Performer Series RPM NHRA Stock/Super Stock Cylinder Head
Performer Series RPM NHRA Stock/Super Stock Cylinder Head; Bare; Std. Exh. Port; 118cc Chamber Vol.; Designed For Chevy Big Block 396-502 454-Rect. Port Head Race Engines; Single;
- Cylinder Head Type: Rectangular Port
- Emission: Non-Emissions
- Engine Make/Size: Chevy Big Block (396-502)
- Finish: Satin
- Preparation: Requires Professional Preparation (Bare)
- Type: Bare
- Usage: Racing
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: WARNING: This product can expose you to Lead; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.
- Specially Designed Ports For Increased Flow And Velocity
- Highly-Efficient 118cc Open-Style Combustion Chamber
- High-Velocity 315cc Long/300cc Short Intake Ports
- Smaller-Than-Stock 11/32 in. Valve Stems Promote Excellent Flow
Cylinder Head Specifications: Combustion chamber volume: 118cc; Intake runner volume: 315cc; Exhaust runner volume: 110cc; Intake valve diameter: 2.19"; Exhaust valve diameter: 1.88"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 9/16"; Valve spring diameter: 1.55"; Valve spring maximum lift: .700"; 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. INSTALLATION NOTE: Bare heads will have valve guides & seats installed, but will require final sizing & a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. All Performer and Performer RPM Big-Block Chevy heads: Spark plug is closer to center of bore, will interfere with high-dome pistons for open chamber heads. Use pistons designed for our heads. Match with Edelbrock head gasket sets
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