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Edelbrock 61539

Performer D-Port Cylinder Head for Pontiac V8

Edelbrock 61539

350-61539

made in usa
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Edelbrock 61539 Performer D-Port Cylinder Head for Pontiac V8 $954.85
Performer Cylinder Head
  • 1962-1979 Pontiac 389-455ci
  • Port Volume: 204cc/145cc
  • 65cc Combustion Chambers
  • 7/16" Rocker Studs
  • Bare, Sold Each

  • Edelbrock 61539 Details

    Performer Pontiac 65cc D-Port Cylinder Heads

    Combustion Chamber Volume:65cc
    Intake Runner Volume:204cc
    Exhaust Runner Volume:145cc
    Intake Valve Diameter:2.11'' (Valve not included)
    Exhaust Valve Diameter:1.66'' (Valve not included)
    Valve Guide Diameter:11/32''
    Valve Guides:Manganese Bronze
    Deck Thickness:5/8''
    Valve Spring Diameter:N/A
    Valve Spring Maximum Lift:N/A
    Rocker Stud:7/16
    Guideplate:Hardened Steel
    Pushrod Diameter:5/16''
    Valve Angle:14°
    Exhaust Port Location:D-Port (Stock Location)
    Spark Plug Fitment:14mm x 3/4'' Reach,
    Gasket Seat

    Specifications:

    Emission
    50 State Legal
    Type
    Bare
    Usage
    Street/Performance
    Engine Make/Size
    Pontiac 400
    Preparation
    Requires Professional Preparation (Bare)
    Finish
    Cast Aluminum
    Engine Make/Size
    Pontiac 389
    Engine Make/Size
    Pontiac 421
    Engine Make/Size
    Pontiac 428
    Engine Make/Size
    Pontiac 455
    Cylinder Head Type
    Pontiac D-Port
    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Style
    Heart
    Combustion Chamber Volume (cc)
    65
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Bare
    Damper Spring Included
    No
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    D-Port
    Exhaust Runner Volume (cc)
    145
    Exhaust Valve Angle
    14
    Exhaust Valve Diameter (in.)
    1.66
    Exhaust Valves Included
    No
    Guideplates Included
    No
    Heat Crossover
    Yes
    Intake Port Location
    Standard
    Intake Port Shape
    Rectangular
    Intake Runner Volume (cc)
    204
    Intake Valve Angle
    14
    Intake Valve Diameter (in.)
    2.11
    Intake Valves Included
    No
    Locks Included
    No
    Machined for O-Ring
    No
    Oiling Style
    Through pushrod
    Quantity
    Sold individually
    Retainers Included
    No
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    No
    Rocker Arms Included
    No
    Spark Plug Style
    Angled
    Steam Holes Drilled
    No
    Valve Cover Mounting Style
    Perimeter bolt
    Valve Guide Material
    Manganese bronze
    Valve Guides Included
    Yes
    Valve Seat Material
    Ductile iron
    Valve Seats Machined
    No
    Valve Springs Included
    No
    Valve Stem Seals Included
    No
    Manufacturer's Part Number:
    61539

    Pontiac D-Port Powerhouse!


    Performer Pontiac D-Port heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4.060'' or larger bore. They feature optimized oil return passages for increased oil flow.

    These heads are available in three heart shaped combustion chamber sizes, including 65cc, 72cc and 87cc. The 65cc combustion chambers are as-cast while the 72cc and 87cc chambers are fully CNC'd to provide a 9.5:1 compression ratio when used with flat-top pistons. The spark plug has been relocated closer to the exhaust valve for improved performance.

    These heads are cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting. Complete heads include guide plates, rocker studs and high quality valvetrain for direct bolt-on application.
    Heat crossover is machined for 50-state emissions legal performance. Made In The USA!




    Technical Notes: 350 c.i.d. engines may require notching the block for valve clearance. Three head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit p/n 350-8561 to install these heads.

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    350-pontiacdportspecsphoto.jpg