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Holley 502-4 - Holley GM 2-bbl Throttle Bodies



Holley 502-4 - Holley GM 2-bbl Throttle Bodies

JEGS Part Number: 510-502-4

Replacement 670cfm TBI
  • 1986-89 GM 4.3L V6 truck
  • $588.95
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    Holley 502-4 - Holley GM 2-bbl Throttle Bodies Details

    670 cfm

  • Direct Replacement For OE Units
  • 2 in. Throttle Bore
  • 42 percent Area Increase Over Stock TBI
  • Including Air Distribution Ring
  • Increased Torque and Horsepower
  • 50 State Legal

  • Specifications:

    Hardware Included
    No
    Gaskets Included
    Yes
    Airflow Rate (cfm)
    670 cfm
    IAC Motor Included
    No
    Injectors Included
    Yes
    Quantity
    Sold individually
    Throttle Body Style
    Throttle body injection, TBI
    TPS Sensor Included
    Yes
    Throttle Body Finish
    Natural
    Throttle Body Material
    Cast aluminum
    Venturi Quantity
    2
    Manufacturer's Part Number:
    502-4

    Bolt-On Power & Unmatched Flow
    The Holley GM 2-bbl Throttle bodies have been designed with all the relevant emmisions provisions, electrical hook-ups and are replacements of the original equipment throttle bodies for the applications shown.

    Features:
  • Direct replacements for OE units*
  • Increase HP & torque up to 25%
  • 2" throttle bores provide 42% more area than stock
  • Compatible with OE plug-ins for a quick installation

    *These Holley throttle bodies are considered equivalent to original equipment so they're 50-state legal and do not require a CARB Executive Order number.

    *670 CFM units may require intake porting or throttle body spacer 555-15404 and fuel line extensions 555-15411.

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    • EngineType: V6
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    • EngineType: V6
    • SubModel: SIERRA XC

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    • EngineType: V6
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    • EngineType: V6
    • SubModel: CUSTOM DELUXE

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    • EngineType: V6
    • SubModel: SCOTTSDALE

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    • EngineType: V6
    • SubModel: SIERRA XC

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    • EngineType: V6
    • SubModel: SILVERADO

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    • EngineType: V6
    • SubModel: SIERRA SLE

    1988-1989 CHEVROLET K1500 PICKUP

    • EngineType: V6
    • SubModel: CHEYENNE

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    • EngineType: V6
    • SubModel: SILVERADO

    1988-1989 CHEVROLET K2500 PICKUP

    • EngineType: V6
    • SubModel: SILVERADO

    1986-1989 CHEVROLET ASTRO

    • EngineType: V6
    • SubModel: BASE

    1988-1989 CHEVROLET K2500 PICKUP

    • EngineType: V6
    • SubModel: SCOTTSDALE