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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

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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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Part # 325605919
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional 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.
  • This item 325605919 is made to order. It will be shipped from our warehouse when it is produced.

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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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