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Edelbrock 21511

Performer Olds 455 Intake Manifold Polished



Edelbrock 21511

Part Number: 350-21511

  • Big Block Oldsmobile 400-455ci
  • 4-bbl Spread-Bore Carb Flange (non-EGR)
  • Idle-5500 RPM Range
  • Polished Finish
  • $646.10
    Ships 10/13/16
    if Ordered Today
    Made In USA
    FREE Shipping
    Edelbrock 21511 Performer Olds 455 Intake Manifold Polished $646.10
    Edelbrock® Carburetor & Intake Rebate
    Expires on December 31, 2016

    Get a $25 Rebate Check with the purchase of an Edelbrock Carburetor or Edelbrock Intake Manifold! Purchase both and Receive a Check for $50

    View All Edelbrock Carburetors

    View All Edelbrock Intake Manifolds

    Edelbrock 21511 Details

    Oldsmobile 400-455ci V8

    Designed for street 400-425-455ci Oldsmobiles. Ideal for cars, 4x4s, tow vehicles, RVs and boats. Includes exhaust crossover plugs p/n 350-2733 which must be used for marine and off-road use.

    Installation Notes:
  • Port exit dimensions: 1.22'' x 2.22''
  • Manifold height: (A) 4.40'' , (B) 5.50''
  • Carb pad height: 4.95" Click here to determine carburetor pad height.
  • Recommended Intake Gasket: Edelbrock p/n 350-7284
  • Manifold has no provision for OEM choke operation.
  • OEM carb will require conversion to electric or manual choke.
  • Will not fit Toronado or 4-4-2 Ram-Air scoop without hood modification.
  • HEI will clear.

    Carb Recommendations
  • OEM 4-bbl carburetor
  • Edelbrock Performer 750cfm Carburetor Manual Choke p/n 350-1407 , Electric Choke p/n 350-1411
  • Edelbrock Performer 800cfm Carburetor Manual Choke p/n 350-1412 , Electric Choke p/n 350-1413
  • Edelbrock Thunder AVS 800cfm Carburetor Manual Choke p/n 350-1812 , Electric Choke p/n 350-1813

  • Specifications:

    RPM Range
    Idle -5500
    Engine Make/Size
    Olds 400-455
    Number Of Carbs
    One
    Emission
    Without EGR
    Cylinder Head Type
    Standard
    Usage
    Street/Hi-Performance
    Position
    N/A
    EGR
    Without EGR
    Basic Operating RPM Range
    Idle-5,500
    Carburetor Quantity
    One
    Engine Block Style
    Stock/OEM standard deck
    Intake Finish
    Polished
    Intake Material
    Aluminum
    Intake Section Included
    Complete
    Intake Style
    Dual plane
    Quantity
    Sold individually
    Manufacturer's Part Number:
    21511

    Idle-5500 RPM Power!

    Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and a patented runner design that delivers outstanding performance. This patented design greatly improves torque over a wide rpm range, especially off-idle through 5500 rpm. Provides crisp throttle response.

    Items You Need
    Note:To insure proper manifold to cylinder head sealing, Edelbrock recommends using an embossed intake gasket like Fel-Pro's Printoseal or Mr.Gasket's Ultra Seal. Fel-Pro's Perma Torque Blue and other similar gaskets do not compress well when used with an aluminum intake manifold and may cause vacuum leaks.