Performer RPM Cylinder Heads for Chevy (Small-Bore)

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Edelbrock Part # 61019 Performer RPM complete cylinder heads are designed for 1955-86 Small-Block Chevy applications that are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.Cylinder Head Specifications: • Designed for use with Hydraulic Flat Tappet camshafts • Finish: Satin • Intake runner volume: 170cc • Exhaust runner volume: 65cc • Combustion chamber volume: 60cc • Spark Plug design: Angled • Intake valve diameter: 1.909" • Exhaust valve diameter: 1.50" • Valve stem diameter: 11/32" • Valve guides: Manganese Bronze • Deck thickness: 9/16" • Valve spring diameter: 1.46" • Valve spring maximum lift: .575” • Rocker stud: 3/8" • Guide plate: Hardened steel • Pushrod diameter: 5/16" • Valve angle: 23 Degree • Exhaust port location: Stock • Spark plug fitment: 14mm x 3/4 reach, gasket seat

Documents & Installation Notes


Availability Available
Application Application Specific
UPC 00085347610198
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning 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
Installation Notes
  • Head bolts: Edelbrock # 8550
  • Head Gasket: Edelbrock # 7310
  • Intake Gasket: Edelbrock # 7201
  • Exhaust Gasket: Edelbrock # 7204
  • Valve Cover Gasket: Edelbrock # 7549
  • Rocker Arms: Edelbrock # 77770
  • Recommended spark plugs are Champion RC12YC
  • To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended.
  • S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.