RPM 348/409 Chevy Cylinder Head Hydraulic Roller Camshaft

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The Edelbrock #60815 Performer RPM cylinder heads are designed for 1958-1965 Chevrolet "W" Series 348/409 engines. The Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
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The Edelbrock #60815 Performer RPM cylinder heads are designed for 1958-1965 Chevrolet W芒鈧聺 Series 348/409 big-block applications. The Edelbrock #60815 Performer RPM heads 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. For use on pre-pollution controlled vehicles only.

Documents & Installation Notes



Manufacturer Edelbrock
Application Application Specific
UPC 00085347608157
Series Performer RPM
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 400-600 HP
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
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
  • Original port locations and valve angles for bolt-on convenience
  • CNC port matched 220cc intake and 115cc exhaust ports for optimum flow and power
  • Improved port design for more performance
  • Hardened spring cups, screw-in rocker studs and hardened guide plates
  • 1958 348 c.i.d. applications will require modifications to cylinder head (contact Edelbrock tech department for detailed information)
  • Use Edelbrock head gasket sets.
  • May be used on 348 engines with valve lifts up to .550" only.
  • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
  • These heads will only fit 1958-65 348 c.i.d. "W" engines if an Edelbrock #5409, #7159 or stock large port 409 c.i.d. manifold is used.
  • Proper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance.
  • Deck thickness: 9/16"
  • Rocker stud diameter: 7/16"
  • Pushrod diameter: 3/8" (width of slot in guide plate)
Intake Valve Diameter 2.19 in
Intake Runner Volume 220 cc
Material Aluminum
Push Rod Diameter (Suggested) 0.375 in
Rocker Stud Diameter 0.4375 in
Valve Angle 0 deg
Valve Spring Diameter 1.55 in
Valve Spring Maximum Lift 0.650 in
Valve Stem Diameter 0.3438 in