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Edelbrock 77189

Victor Jr. 20° Aluminum Cylinder Head for Small Block Ford

Edelbrock 77189

350-77189

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Edelbrock 77189 Victor Jr. 20° Aluminum Cylinder Head for Small Block Ford $906.93
Victor Jr. 20° Aluminum Cylinder Head
  • Small Block Ford 289-351W
  • Valve Springs for Hydraulic Roller
  • Port Volume: 210cc/75cc
  • Valve Size: 2.05"/1.60"
  • 60cc Combustion Chambers
  • Assembled, Sold Individually

  • Edelbrock 77189 Details

    Victor Jr. Aluminum Cylinder Heads

    The all-new Victor Jr. Ford heads have a 500+ horsepower potential, out-of-the-box, for an affordable, race-winning set-up. They feature large volume, high-flowing 210cc intake ports and .130'' raised 75cc exhaust ports. Designed to work with standard port location manifolds and headers, these heads have CNC gasket-matched port entries and exits with blended valve bowls. The spark plug holes and valves are in the stock location with a valve cover rail that¹s raised .150''. Complete heads come with stainless steel, 1-piece, swirl-polished, under-cut stem valve (2.05'' intake/1.60'' exhaust) as well as phosphor bronze valve guides.

    Note: Aftermarket 289/302 heads including Brodix, Edelbrock, Ford Motorsport and World Products with 1/2'' bolt hole diameters (block is 7/16'' bolt hole), except 397-M-6049-P303 (''P'' style head). Require 350-9680 inserts with 350-8552 head bolt or 350-9680 insert with 070-154-3601. If head studs are desired use 070-154-4005 (includes inserts).

    Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230'' shorter than a conventional spark plug and have a 5/8'' hex for easier access.

    Valve LiftIntakeExhaust
    .100''6454
    .200''127108
    .300''186140
    .400''234167
    .500''268189
    .600''291195
    .700''285199
    Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O

    Specifications:

    Usage
    Competition
    Type
    Complete
    Emission
    Non-Emissions
    Engine Make/Size
    Ford 260-302
    Cylinder Head Type
    Standard
    Preparation
    Factory CNC Ported
    Finish
    Cast Aluminum
    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    60
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Assembled
    Damper Spring Included
    Yes
    Exhaust Port Location
    Raised
    Exhaust Port Shape
    Square
    Exhaust Runner Volume (cc)
    75
    Exhaust Valve Diameter (in.)
    1.6
    Exhaust Valves Included
    Yes
    Guideplates Included
    Yes
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Port Shape
    Rectangular
    Intake Runner Volume (cc)
    210
    Intake Valve Angle
    20
    Intake Valve Diameter (in.)
    2.05
    Intake Valves Included
    Yes
    Locks Included
    Yes
    Machined for O-Ring
    No
    Maximum Valve Lift (in.)
    0.65
    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
    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
    Ductile iron
    Valve Seats Machined
    Yes
    Valve Springs Included
    Yes
    Valve Stem Seal Style
    Positive stop
    Valve Stem Seals Included
    Yes
    Manufacturer's Part Number:
    77189

    Victor Jr. Series Heads are perfect for OE-Performance engines with stock valve train and pistons for bolt-on performance. Available as a complete head which includes valves, springs & retainers or as a bare head so the valve springs can be matched with recommendations from the camshaft manufacturer.

    Victor & Victor CNC Series Heads are designed for use in racing applications. Some of the best racers in the country rely on Edelbrock's Victor and Victor CNC series heads to help them win the race. These heads feature raised runners, revised combustion chambers and relocated valves for all-out performance in competition engines.

    Cylinder Head Specifications
    Victor Jr. 20°Victor 15°
    Combustion Chamber Colume 60cc / 70cc47cc
    Intake Runner Volume210cc240cc
    Exhaust Runner Volume75cc80cc
    Intake Valve Diameter2.05"2.125" (Recommended; Not Included)
    Exhaust Valve Diameter1.60"1.625" (Recommended; Not Included)
    Valve Stem Diameter11/32"11/32"
    Valve GuidesManganese BronzeManganese Bronze
    Deck Thickness5/8"5/8"
    Valve Spring Diameter 1.55"N/A
    Valve Spring Maximum Lift.650 (Hyd Roller) / .670 (Mech Roller)N/A
    Rocker Stud7/16"N/A
    GuideplateHardended SteelN/A
    Pushrod Diameter5/16"N/A
    Valve Angle20°15°
    Exhaust Port LocationRaised .130"2.5" Spread; Raised .520"
    Spark Plug Fitment14mm x 3/4 reach, gasket seat14mm x 3/4 reach, gasket seat


    Made In The USA!

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