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RPM 348/409 Chevy Cylinder Head Hydraulic Roller Camshaft

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$1,396.50
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SKU
60815
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Details

The Edelbrock #60815 Performer RPM cylinder heads are designed for 1958-1965 Chevrolet “W” 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

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PDF-Installation Instructions

Specs

Availability Available
Ech Ival Dia 2.190 in
Head Casting Number 31-6080
Guide Plate Material Hardened Steel
Application Application Specific
UPC 00085347608157
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 www.P65warnings.ca.gov.
Installation Notes
  • EQUIPPED WITH SPRINGS FOR USE IN MECHANICAL FLAT TAPPET AND HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
  • 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)
CNC Ported No
Combustion Chamber Volume 16.0 cc
Deck Height 9.6 in
Deck Thickness 0.562 in
Exhaust Valve Diameter 1.720 in
Guide Plates Included Yes
Intake Runner Volume 220.0 cc
Material Aluminum
Push Rod Diameter 0.375 in
Rocker Stud Diameter 0.437 in
Valve Spring Diameter 1.550 in
Valve Spring Maximum Lift 0.650 in
Valve Stem Diameter 0.341 in