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Edelbrock 77589 - Edelbrock Small Block Chevy Victor Jr. Race Series Cylinder Heads

Edelbrock 77589 - Edelbrock Small Block Chevy Victor Jr. Race Series Cylinder Heads

JEGS Part Number: 350-77589

Small Block Chevy Victor Jr 23° Cylinder Head
  • 302-400ci
  • 215cc Intake Ports
  • 64cc Combustion Chambers
  • 2.08"/1.60" Valves
  • 1.55" Valve Springs
  • Max Lift: .650"
  • 7/16" Rocker Studs
  • Assembled, Head, Sold Each

    Edelbrock 77589 - Edelbrock Small Block Chevy Victor Jr. Race Series Cylinder Heads Details

    Victor Jr. 64cc Aluminum Cylinder Heads

    These heads have .300'' raised exhaust ports and hardened, ductile iron valve seats and phosphor bronze guides. A 9/16'' thick deck surface provides superior gasket retention. Valves are 1-piece, stainless steel.

    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 conventional spark plugs and have a 5/8'' hex for easier access.

    These maximum power and affordable Edelbrock Victor Jr. cylinder heads have the potential to produce 530-580 horsepower right out of the box. All heads are sold individually, and part numbers 350-77579 and 350-77649 are bare heads with valves only. With 64cc chambers and a 12cc domed piston in a 350 engine, the compression ratio is approximately 12.5:1. In addition, these heads accept standard 23° valvetrain hardware.

    Edelbrock Victor Jr. Cylinder Head Applications
    Small Block Chevy 302-400 (Competition and High-Performance Street)

  • Combustion Chambers: 64cc or 70cc
  • Intake Runner Volume: 215cc
  • Exhaust Runner Volume: 85cc
  • Intake Valve Diameter: 2.08"
  • Exhaust Vavle Diameter: 1.60"
  • Valve Stem Diameter: 11/32"
  • Valve Guides: Manganese Bronze
  • Deck Thickness: 9/16"
  • Valve Spring Diameter: 1.55"
  • Maximum Lift: .650"
  • Rocker Stud: 7/16"
  • Guideplate: Hardened Steel
  • Pushrod Diameter: 5/16
  • Valve Angle: 23&
  • Exhaust Port Location: Raised .300"
  • Spark Plug: 14mm x 3/4 Reach, Gasket Seat
  • Made In The USA!

  • Edelbrock 350-77589

    Engine Make/Size
    Chevy Small Block (262-400)
    Cylinder Head Type
    Bolt On (Not Required)
    Cast Aluminum
    Manufacturer's Part Number:
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