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Edelbrock 50459

E-Street Cylinder Heads for Big Block Chevy

Edelbrock 50459
Edelbrock® E-Street Cylinder Head Rebate
Expires on December 31, 2016

Get a $150 Rebate Check with the purchase of a pair of new Edelbrock E-Street Cylinder Heads!

View All Edelbrock E-Street Cylinder Heads

350-50459

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Edelbrock 50459 E-Street Cylinder Heads for Big Block Chevy $989.50
  • Big Block Chevy 396-502ci
  • Valve Springs for Hydraulic Flat Tappet
  • Port Volume: 290cc/110cc
  • Valve Size: 2.19"/1.88"
  • 110cc Combustion Chambers
  • Max Lift: .700"
  • Assembled, Sold Individually

  • Edelbrock 50459 Details

    Big Block Chevy Oval Port

  • Entry Level Street Performance Upgrade
  • A356 Aluminum
  • Edelbrock Quality And Performance
  • Hardened sping cups
  • Heli-Coil threaded inserts in rocker stud bosses for strength
  • Made In U.S.A.

    Specifications:

  • Chamber Volume: 110cc
  • Deck Thickness: 9/16"
  • Valve Spring Diameter: 1.55"
  • Max Lift: .700"
  • Valve Spring Installed Height: 1.750"
  • Rocker Studs: 7/16" with Guide Plate
  • Pushrod Diameter: 3/8"
  • Intake Port Volume: 290cc
  • Intake Valve Diameter: 2.19"
  • Exhaust Port Volume: 110cc
  • Exhaust Valve Diameter: 1.88"

    Valve LiftIntakeExhaust
    .100''7471
    .200''143128
    .300''207153
    .400''250178
    .500''284200
    .600''309218
    .700''N/AN/A
    Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O

  • Specifications:

    Engine Make/Size
    Chevy Big Block (396-502)
    Type
    Complete
    Emission
    Non-Emissions
    Finish
    Polished
    Usage
    Street/Performance
    Cylinder Head Type
    Oval Port- Standard
    Preparation
    Bolt On (Not Required)
    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    110
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Assembled
    Damper Spring Included
    No
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    D-Port
    Exhaust Runner Volume (cc)
    110
    Exhaust Valve Angle
    26
    Exhaust Valve Diameter (in.)
    1.88
    Exhaust Valves Included
    Yes
    Guideplates Included
    Yes
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Port Shape
    Oval
    Intake Runner Volume (cc)
    290
    Intake Valve Angle
    26
    Intake Valve Diameter (in.)
    2.19
    Intake Valves Included
    Yes
    Lock Style
    7 degree
    Locks Included
    Yes
    Machined for O-Ring
    No
    Maximum Valve Lift (in.)
    0.7
    Number of Springs Per Valve
    Dual
    Oiling Style
    Through pushrod
    Outside Diameter of Outer Spring (in.)
    1.55
    Quantity
    Sold individually
    Retainer Material
    Steel
    Retainers Included
    Yes
    Rocker Arm Nut Thread Size (in.)
    7/16"-20
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    Yes
    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 Machine Style
    3-angle
    Valve Seat Material
    Powdered metal
    Valve Seats Machined
    Yes
    Valve Springs Included
    Yes
    Valve Stem Seal Style
    Umbrella
    Valve Stem Seals Included
    Yes
    Manufacturer's Part Number:
    50459

    QUALITY AND AFFORDABLE PERFORMANCE!

    E-Street cylinder heads are designed for entry level street performance engines operating in the idle to 5,500 rpm range. Manufactured in the USA, these heads feature the quality and details of higher priced cylinder heads, starting with A356 aluminum castings that are heat treated to T-6 spec for superior casting strength and quality.

    Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through an engine; these features improve efficiency, resulting in more horsepower, broad torque and improved mileage potential.

    Every E-Street is assembled with manganese bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, 1.25" or 1.55" diameter valve springs, 3/8" or 7/16" screw-in studs and hardened guide plates. As added value, E-Street heads include hardened valve springs cups to prevent casting wear and Heli-coil™ threaded inserts in the rocker stud bosses for proper torque; these are the quality details that most low-cost competitors leave out of their heads. Made In The USA!

    Features:
  • Ideal For Operating In The Idle To 5500 RPM Range
  • A356 Aluminum & Heat Treated to T-6 Spec
  • Larger Than Stock Intake & Exhaust Ports For Increased Power
  • Modern Combustion Chamber Design For Improved Efficiency & Mileage Potential
  • Heli-Coil Threaded Inserts In The Rocker Stud Bosses For Proper Torque Load without Damaging Threads
  • Hardened Spring Cups Between The Valve Springs & Casting For Wear Protection
  • Made In The USA!

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