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Edelbrock 60447 Performer RPM Cylinder Head, Big Block Chevy
Edelbrock 60447 Performer RPM Cylinder Head, Big Block Chevy

Edelbrock 60447 Performer RPM Cylinder Head, Big Block Chevy

Chevy Big Block V8, Bare Cylinder Head Style, Aluminum, Natural, Not CNC-Machined Runners

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Edelbrock 60447 Performer RPM Cylinder Head, Big Block Chevy
Edelbrock 60447 Performer RPM Cylinder Head, Big Block Chevy
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We estimate this item will ship on or before June 6th.
Part # 32560447
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Edelbrock to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cylinder Head Style:
Bare
Material Type:
Aluminum
Finish:
Natural
Combustion Chamber Volume:
110cc
Intake Runner Volume:
290cc
Exhaust Runner Volume:
110cc
Combustion Chamber Volume Range:
110cc - 119cc
Intake Runner Volume Range:
290cc - 299cc
Exhaust Runner Volume Range:
110cc - 119cc
Combustion Chamber Style:
Semi-Open
CNC-Machined Runners:
No
CNC-Machined Combustion Chamber:
No
Intake Port Shape:
Oval
Intake Port Location:
Standard
Exhaust Port Shape:
Round
Exhaust Port Location:
Standard
Intake Valve Diameter:
2.19"
Intake Valves Included:
No
Intake Valve Angle:
26
Exhaust Valve Diameter:
1.88"
Exhaust Valves Included:
No
Valve Spring Included:
No
Damper Spring Included:
No
Machined for O-Ring:
No
Valve Seats Machined:
No
Valve Seat Material:
Ductile Iron
Valve Stem Seals Included:
No
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Locks Included:
No
Retainers Included:
No
Guideplates Included:
No
Rocker Arms Included:
No
Rocker Arm Studs Included:
No
Rocker Arm Nuts Included:
No
Oiling Style:
Through Pushrod
Heat Crossover:
No
Steam Holes Drilled:
No
Accessory Bolt Holes Drilled:
Yes
Sold in Quantity:
Each
GTIN Code:
085347604470

Info

Direct bolt-on heads for Big Block Chevy Stock and Super Stock racers. No port profiling or bowl blending of ports. Engraved with the NHRA Logo on both ends.
  • Out-of-the-Box Bolt-On Performance
  • Designed For Street/High Performance Big Blocks
  • Specially Designed Oval Ports
  • Increased Flow And Velocity
  • Highly Efficient Semi-Open Style Chamber
  • High Velocity Short Intake Ports
  • Fit GM Mark IV; Gen V; and Gen VI Blocks
  • Bare Head Only; Use PN[60459] for Complete

Installation Instructions (PDF)

Notes

NHRA legal for Super Stock only. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.
Some parts are not legal for use in California or other states with similar laws/regulations

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