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Street Race Truck More... The Toolbox
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$1,762.95
$1,449.99
Edelbrock 605919 Performer RPM Cylinder Head, Pontiac 389-455
Edelbrock 605919 Performer RPM Cylinder Head, Pontiac 389-455

Edelbrock 605919 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 605919 Performer RPM Cylinder Head, Pontiac 389-455
Edelbrock 605919 Performer RPM Cylinder Head, Pontiac 389-455
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We estimate this item will ship on or before October 4th.
Part # 325605919
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$1,449.99
$1,762.95
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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:
72cc
Intake Runner Volume:
215cc
Exhaust Runner Volume:
175cc
Combustion Chamber Volume Range:
70cc - 79cc
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
Notes:
Uses 14mm spark plugs with 3/4" reach, and flat gasket seals
Sold in Quantity:
Each
GTIN Code:
085347990436

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)

Some parts are not legal for use in California or other states with similar laws/regulations

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