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JEGS Performance Products 513003

JEGS Intake Manifold for 1955-1986 Small Block Chevy 265-283-302-327-350-400

JEGS Performance Products 513003

555-513003

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JEGS Performance Products 513003 JEGS Intake Manifold for 1955-1986 Small Block Chevy 265-283-302-327-350-400 $199.99
JEGS Intake Manifold
  • 1955-86 Small Block Chevy 265-283-302-327-350-400
  • Square Bore (non-EGR)
  • Idle to 5500 RPM
  • Black Aluminum

  • JEGS Performance Products 513003 Details

    Small Block Chevy Intake Manifolds

    • Port exit dimensions: 1.17" x 1.90"
    • Recommended Intake Gasket: JEGS p/n 555-210002
    • Estimated runner length - Shortest: 4.00"
    • Estimated runner length - Longest: 7.00"
    • Manifold height: (A) 4.29", (B) 5.31"
    • Click here to determine carburetor pad height.
    • Also Fits 1987-Up stock aluminum heads (does not fit 1987-Up cast iron or Chevrolet Bow Tie heads)
    • Accepts late model choke, water neck, AC, alternator, and HEI
    • No provision for divorced or heated choke
    • Stock/stamped steel valve covers may require 3/16" (or thicker) valve cover gaskets. We recommend: 555-21100, 555-210075 or 555-210070 for adequate runner clearance.

    JEGS Carb Recommendations/Notes
    Carburetors
    570 CFM 670 CFM 770 CFM
    Up to 300 HP 300 to 400 HP 400 to 500 HP
    Manual Choke 510-0-81570* 510-0-81670* 510-0-81770*
    Electric Choke 510-0-80570* 510-0-80670* 510-0-80770*
    * Square Flange Carburetors Require Adapter Plate 555-15442
    Carburetor Studs
    555-15840 1-1/2" Studs Suggested for carb and gasket only
    555-15841 2" Studs Suggested for carb and 1/2" spacer
    555-15842 2-1/2" Studs Suggested for carb and 1" spacer
    555-15846 3-1/2" Studs Suggested for carb and 2" spacer
    Carburetor Base Gaskets
    555-16100 Open (Square Flange)
    555-16105 4-Hole (Square Flange)
    555-16120 4-Hole (Spreadbore)
    Intake Manifold Bolts
    555-83200 SBC - Standard
  • Carburetor Fuel Inlet Lines & Fittings
  • Carburetor Spacers
  • Fuel Filters
  • Carburetor Linkage, Choke Kits & Components

  • Specifications:

    Material
    Aluminum
    Finish
    Black
    Emission
    Without EGR
    RPM Range
    Idle-5500
    Cylinder Head Type
    Standard
    Usage
    Street/Hi-Performance
    Position
    N/A
    Engine Make/Size
    Chevy Small Block (265-400)
    EGR
    Without EGR
    Basic Operating RPM Range
    Idle-5,500
    Carburetor Quantity
    One
    Intake Section Included
    Complete
    Intake Style
    Dual plane
    Intake Manifold Height (in.)
    4.8
    Engine Block Style
    Stock/OEM standard Deck

    JEGS Champion Series 331 Dual Plane Aluminum Intake Manifolds feature the latest machining techniques to ensure the best quality and results. The process to make these cast aluminum performance intake manifolds yields a lighter, more consistent casting for smoother intake runners, optimal fuel atomization, and improved fuel & air distribution to the cylinders. What does all this mean? MORE POWER!

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