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Edelbrock 60539

Performer RPM CNC Cylinder Head for Pontiac V8

Edelbrock 60539

350-60539

made in usa
jegs shipping
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Estimated ship date 11/24/17 if Ordered Today
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Edelbrock 60539 Performer RPM CNC Cylinder Head for Pontiac V8 $753.50
Pontiac Performer RPM Cylinder Head
  • 1962-1979 Pontiac 389-455ci
  • Round Exhaust Port (Ram Air)
  • Port Volume: 215cc/175cc
  • 72cc Combustion Chambers
  • 7/16" Rocker Studs
  • Bare Head, Sold Each

  • Edelbrock 60539 Details

    Pontiac Performer RPM CNC Cylinder Heads

    Performer RPM CNC Cylinder Heads have the same specifications as the popular Performer RPM cylinder heads for 389-455 Pontiac engines, but feature a CNC machined combustion chamber. The CNC machined chamber results in a consistent and precise chamber for improved flow performance. Performer RPM CNC cylinder heads are available in two chamber sizes. The 87cc chamber version is ideal for 9.5:1 engines and will deliver excellent street performance on low octane fuel. Performer RPM CNC cylinder heads with 72cc chambers are best for higher compression engines. Both are patterned after the same port flange configuration as the 1969-1970 Ram-Air IV Pontiac Cylinder Head.

    Combustion Chamber Volume:72cc
    Intake Runner Volume:215cc
    Exhaust Runner Volume:175cc
    Intake Valve Diameter:2.11''
    Exhaust Valve Diameter:1.66''
    Valve Stem Diameter:11/32''
    Valve Guides:Manganese Bronze
    Deck Thickness:5/8''
    Valve Spring Diameter:1.46''
    Valve Spring Maximum Lift:0.575''
    Rocker Stud:7/16''
    Guideplate:Hardened Steel
    Pushrod Diameter:5/16''
    Valve Angle:14°
    Exhaust Port Location:Stock Ram Air IV
    Spark Plug Fitment:14mm x 3/4'' Reach,
    Gasket Seat

    Specifications:

    Type
    Bare
    Emission
    N/A
    Engine Make/Size
    Pontiac 326-455
    Cylinder Head Type
    Standard
    Usage
    Street/Hi-Performance
    Preparation
    Requires Professional Preparation (Bare)
    Finish
    Cast Aluminum
    Manufacturer's Part Number:
    60539

    These cylinder heads are designed for outstanding performance gains in 1962-79 389-455ci Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.

    Performer heads #60579/60575 are 50-state emissions legal for 1965-79 vehicles. They have 87cc combustion chambers designed to maximize performance while using less expensive, low octane fuel with a streetable 9.5:1 compression ratio.

    Performer RPM heads with 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional head porter. They include valve guides and seats installed with no intake pushrod holes. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock and Super Stock.

    Performer RPM CNC Heads feature the same specifications as the Performer RPM heads but have CNC-machined combustion chambers, which results in a consistent and precise chamber for improved flow.

    Features
  • Combustion Chamber Volume: 87cc or 72cc
  • Intake Runner Volume: 215cc
  • Exhaust Runner Volume: 175cc
  • Intake Valve Diameter: 2.11"
  • Exhaust Valve Diameter: 1.66"
  • Valve Guides: Manganese Bronze
  • Deck Thickness: 5/8"
  • Valve Spring Diameter: 1.46"
  • Maximum Lift: .575"
  • Pushrod Diameter: 7/16"
  • Guideplate: Hardened Steel
  • Valve Angle: 14°
  • Exhaust Port Location: Stock Ram Air IV
  • Spark Plug Fitment: 14mm x 3/4 Reach, Gasket Seat
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