Product Summary

Dual Plane Intake Manifold Type, Idle-5,500 RPM Range

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    Key Specs

    MFG. Part #21043
    Intake Manifold TypeDual Plane
    Carburetor Flange TypeDual: Square and Spread Bore
    RPM RangeIdle-5,500
    Material TypeAluminum
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    Need To Know

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    Edelbrock 21043 Details

    PERFORMER - FOR 1987-95 CAST IRON CYLINDER HEADS (IDLE-5500 RPM)
    Designed for street 262-400 c.i.d. Chevy V8's that have heads with canted center bolt holes. Accepts late-model water neck, air-conditioning, alternator, H.E.I. and have rear water crossovers. #2104 accepts exhaust-heated chokes. For 1987-95 stock aluminum heads use #2101. Will not fit Chevrolet Bowtie or LT1 heads.

    • For Idle to 5500 RPM Street-Driven Performance
    • Dual-Plane Low-Rise Intake w/180 Deg Firing Order
    • Patented Runner Design Ensures Broad Torque Curve
    • Excellent Throttle Response and Mid-Range Power
    • 50-State Street Legal if Correct Carburetor Used
    • Accepts Late-Model Choke; Waterneck; and HEI
    • Accepts A/C And Alternator
    • Accepts Exhaust Heated Chokes

    Charts

    CARB Warning

    Follow EPA, CARB, and state regulations for engine changes

    Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

    Edelbrock 21043 Specifications

    KEY SPECS
    MFG. Part #21043
    BrandEdelbrock
    Intake Manifold TypeDual Plane
    Carburetor Flange TypeDual: Square and Spread Bore
    RPM RangeIdle-5,500
    Material TypeAluminum
    GENERAL
    Carburetor QuantityOne
    FinishPowder Coated
    ColorBlack
    EGRNo
    Intake Section IncludedComplete
    Gaskets IncludedNo
    Overall Height4.05"
    Bolt Hole Pattern5.160" x 5.625"
    Sold in QuantityEach
    NotesThis manifold is designed for cast iron heads with canted center bolt holes. They accept late model water necks, A.C. compressors, alternators, and HEI distributors. These manifolds have rear water crossovers and accept exhaust heated chokes. These mani
    GTIN Code085347210435

    Questions & Answers

    Fitment

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L30 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Vortec L31 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Vortec L31 Small Block Chevy

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