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$760.99
Edelbrock 60489 Performer RPM Cylinder Heads, Big Block Chevy
Edelbrock 60489 Performer RPM Cylinder Heads, Big Block Chevy

Edelbrock 60489 Performer RPM Cylinder Heads, Big Block Chevy

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Edelbrock 60489 Performer RPM Cylinder Heads, Big Block Chevy
Edelbrock 60489 Performer RPM Cylinder Heads, Big Block Chevy
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We estimate this item will ship on or before October 27th.
Part # 32560489
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 4 business days for Edelbrock to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cylinder Head Style:
Bare
Material Type:
Aluminum
Combustion Chamber:
100cc
Intake Valve Diameter:
2.19"
Exhaust Valve Diameter:
1.88"
Finish:
Natural
Sold in Quantity:
Each
CNC-Machined Combustion Chamber:
No
Intake Port Location:
Standard
Intake Port Shape:
Oval
Exhaust Port Location:
Standard
Exhaust Port Shape:
Square
Intake Valves Included:
No
Exhaust Valves Included:
No
Valve Spring Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Seats Machined:
No
Steam Holes Drilled:
No
Oiling Style:
Through Pushrod
Machined for O-Ring:
No
Heat Crossover:
Yes
Intake Valve Angle:
26
Combustion Chamber Style:
Semi-Open
Intake Runner Volume:
290cc cu. in.
Exhaust Runner Volume:
110cc cu. in.
CNC-Machined Exhaust Runner:
No
CNC-Machined Intake Runner:
No
Valve Stem Seals Included:
No
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
No
GTIN Code:
085347604890

Info

100cc semi-open chamber heads feature a 1-1/2 rolled over (angle milled) design that improves intake port alignment and provides a smaller combustion chamber without shrouding the valves.
  • Bare 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • Design That Improves Intake Port Alignment
  • Outstanding High Performance Street Head
  • Provides A Semi-Open Combustion Chamber
  • 9.2:1 Compression with Flat Top Pistons
  • 8.8:1 Compression with 1987-up TBI Dished Pistons
  • Match with Edelbrock Multi-Point EFI to Maximize

Notes

If using a domed piston check clearance before final assembly, spark plug location has been moved .150 closer to bore center, with a semi-open chamber design. Performer applications include heat crossover passage for emissions related engines. Bare heads will have valve guides and seats installed, but will require final sizing & 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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