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Edelbrock 605719 Performer RPM Cylinder Head, Pontiac 389-455
Edelbrock 605719 Performer RPM Cylinder Head, Pontiac 389-455

Edelbrock 605719 Performer RPM Cylinder Head, Pontiac 389-455

389 Pontiac V8, 400 Pontiac V8, 421 Pontiac V8, 428 Pontiac V8, 455 Pontiac V8, Aluminum

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Edelbrock 605719 Performer RPM Cylinder Head, Pontiac 389-455
Edelbrock 605719 Performer RPM Cylinder Head, Pontiac 389-455
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We estimate this item will ship on or before June 7th.
Part # 325605719
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$1,779.95
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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:
Assembled
Material Type:
Aluminum
Finish:
Polished
Combustion Chamber Volume:
87cc
Intake Runner Volume:
215cc
Exhaust Runner Volume:
175cc
Combustion Chamber Volume Range:
80cc - 89cc
Intake Runner Volume Range:
210cc - 219cc
Exhaust Runner Volume Range:
170cc - 179cc
CNC-Machined Runners:
No
CNC-Machined Combustion Chamber:
No
Intake Port Location:
Standard
Exhaust Port Shape:
Ram Air IV
Exhaust Port Location:
Standard
Intake Valve Diameter:
2.11"
Intake Valves Included:
Yes
Intake Valve Angle:
14
Exhaust Valve Diameter:
1.66"
Exhaust Valves Included:
Yes
Valve Spring Included:
Yes
Spring Diameter:
1.46"
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Maximum Lift:
0.575"
Machined for O-Ring:
No
Valve Seat Machine Style:
3-angle
Valve Seats Machined:
Yes
Valve Seat Material:
Ductile Iron
Valve Stem Seals Included:
Yes
Valve Stem Seal Type:
Positive Stop
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Locks Included:
Yes
Lock Style:
7 Degree
Retainers Included:
Yes
Retainer Material:
Steel
Guideplates Included:
Yes
Guideplate Pushrod Size:
16-May"
Rocker Arms Included:
No
Rocker Arm Studs Included:
Yes
Rocker Arm Nuts Included:
No
Oiling Style:
Through Pushrod
Heat Crossover:
Yes
Steam Holes Drilled:
No
Accessory Bolt Holes Drilled:
Yes
Sold in Quantity:
Each
GTIN Code:
085347990412

Info

These cylinder heads for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Air IV Pontiac cylinder head. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with streetable 9.5:1 compression ratio. Our Performer RPM heads with the 72cc combustion chamber are for higher compression engine.
  • Out-of-the-Box Bolt-On Performance
  • Hand-Blended Intake and Exhaust Bowls
  • CNC-Matched Intake/Exhaust Ports in Std Location
  • Thicker Deck Surfaces than Other Brands

Installation Instructions (PDF)

Notes

These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit 8549.
Some parts are not legal for use in California or other states with similar laws/regulations

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