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Edelbrock 617569

Big Victor Spread-Port CNC Aluminum Cylinder Head for Big Block Chevy

Edelbrock 617569

350-617569

made in usa
jegs shipping
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Estimated ship date 08/31/17 if Ordered Today
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Edelbrock 617569 Big Victor Spread-Port CNC Aluminum Cylinder Head for Big Block Chevy $2,313.96
  • Big Block Chevy
  • Intake Volume: (LH) 442cc (RH) 451cc
  • Exhaust Volume: 189cc
  • 92cc Combustion Chamber
  • 18° Valve Angle
  • Bare Head, Sold Individually

  • Edelbrock 617569 Details

    Big Victor Spread-Port CNC Aluminum Cylinder Heads

  • Big Block Chevy with 4.840'' Bore Spacing
  • Intake Ports: 442cc Left, 451cc Right

  • Intended for high-output, large cubic inch big block Chevy race engines with 4.840" bore spacing
  • A356 aluminum casting is HIP processed (Hot Isostatic Pressing) for superior strength, durability, and dimensional stability
  • CNC-machined intake ports and raised exhaust runners provide better flow efficiency
  • Extra deck material allows fine-tuning of the combustion chamber design as desired
  • Recommended Intake Manifold: Edelbrock #28003 or #28005
  • Required Valve Covers: #350-4259

    Edelbrock and Pat Musi worked with Jesel to improve valvetrain geometry, delivering Pro Stock level technology on engines up to 10,000 RPM. Jesel's aluminum shaft-mounted system (KPS-387154) has a 1-pc stand that pairs the intake & exhaust stands for exceptional stability. The intake fulcrum is 1.82" long; available rocker ratios are 1.6:1 through 1.95:1. The exhaust fulcrum is 2" long; available rocker ratios are 1.6:1 through 2:1.

    Combustion Chamber Volume:92cc
    Intake Runner Volume:442cc (L), 451cc (R)
    Exhaust Runner Volume:189cc
    Intake Valve Diameter:2.45" (Valves not included)
    Exhaust Valve Diameter:1.85" (Valves not included)
    Valve Stem Diameter:n/a
    Valve Guides:Manganese Bronze
    Deck Thickness:---
    Valve Pocket Diameter:1.76"
    Valve Spring Maximum Lift:Springs not included
    Rockers:Use Jesel Shaft-Mount KPS-381754
    Guideplate:n/a
    Pushrod Diameter:---
    Valve Angle:18° x 4° Intake, 9° x 3.9° Exhaust
    Exhaust Port Location:n/a
    Spark Plug Fitment:14mm x 3/4'' Reach,
    Gasket Seat

    Valve LiftIntakeExhaust
    .400''288226
    .500''353254
    .600''415277
    .700''468302
    .800''496324
    .900''491328
    18° (350-617569) 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
    Cylinder Head Type
    Standard
    Usage
    Racing
    Preparation
    Bolt On (Not Required)
    Finish
    Cast Aluminum
    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    Yes
    CNC-Machined Exhaust Runner
    Yes
    CNC-Machined Intake Runner
    Yes
    Combustion Chamber Style
    Closed chamber
    Combustion Chamber Volume (cc)
    92
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Bare
    Damper Spring Included
    No
    Exhaust Port Location
    Raised
    Exhaust Port Shape
    Square
    Exhaust Runner Volume (cc)
    95
    Exhaust Valve Angle
    9/3.9
    Exhaust Valve Diameter (in.)
    1.85
    Exhaust Valves Included
    No
    Guideplates Included
    No
    Heat Crossover
    No
    Intake Port Location
    Spread
    Intake Port Shape
    Rectangular
    Intake Runner Volume (cc)
    405
    Intake Valve Angle
    18/4
    Intake Valve Diameter (in.)
    2.45
    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
    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:
    617569

    Cast Aluminum Cylinder Heads Developed for Competition

    , these lightweight cylinder heads for big block Chevy increase coolant heat dissipation and incorporate extra deck material to maximize gasket retention under high compression. They have specially-contoured combustion chambers, high-flow ports, and reinforced rocker stud bosses. Available bare or assembled, cylinder heads are sold individually.

    Victor Jr. 24° Cylinder Heads
    Ideal for ultra-performance street machines and most racing, Victor Jr. 24° Heads have 300cc ports that produce impressive power on big blocks up to 510 cubic inches with 4.310" or larger bore. Their exhaust port exits are raised .534" to vastly improve exhaust flow. Maximum lift for hydraulic roller or flat tappet camshafts is .700"; maximum lift for mechanical roller camshafts is .880".

    Victor 24° Cylinder Heads
    To gain even more horsepower, the Victor 24° Series features partially CNC'd chambers, rolled-over deck, and altered valve locations that improve combustion efficiency. 340cc ports flow 390+ cfm on big blocks with 4.470" or larger bore for better flow velocity and throttle response. Like Jr. 24°, exhaust port exits are raised .534" and maximum lift is .700" (hydraulic) or .880" (mechanical).

    Musi Victor 24º CNC-Ported Cylinder Heads
    The only out-of-the-box head capable of 950+ HP from conventional big block port locations! Designed by 5-time Pro Street Champion Pat Musi, this version of the Victor 24° Cylinder Head has fully CNC'd chambers & ports. Exhaust port exits are raised .750" and maximum lift is .880" (mechanical).

    Big Victor Spread-Port Cylinder Heads
    Intended for big block Chevy race engines with 4.840" bore, these heads feature Edelbrock's Hot Isostatic Pressing (HIP) for superior strength and stability. Pat Musi and Jesel assisted with the design to improve valvetrain geometry, delivering Pro Stock level technology up to 10,000 RPM.


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