Holley GM 2-bbl Throttle Bodies


Holley
Holley GM 2-bbl Throttle Bodies

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Bolt-On Power & Unmatched Flow

  • 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.



  • 400 cfm

    510-502-3
    Replacement 400cfm TBI
  • 1985-1/2 to 1989 GM 2.8L V6 truck
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    Fits Applications
    Installation Instructions for Holley
  • $467.99
    Ships
    02/18/12
    670 cfm

    510-502-4
    Replacement 670cfm TBI
  • 1986-89 GM 4.3L V6 truck
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    Fits Applications
    Installation Instructions for Holley
  • $502.99
    Ships
    02/22/12

    510-502-5
    Replacement 670cfm TBI
  • 1987-89 GM 5.0L V8 truck
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    Fits Applications
    Installation Instructions for Holley
  • $465.99
    Ships

    510-502-6
    Replacement 670 cfm TBI
  • 1987-89 GM 5.7L V8 truck
    More info on Holley 502-6

    Fits Applications
    Installation Instructions for Holley 502-6
  • $459.99
    Ships

    510-502-7
    Replacement 670cfm TBI
  • 1988-91 GM 4.3L V6 truck
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    Fits Applications
    Installation Instructions for Holley
  • $465.99
    Ships

    510-502-9
    Replacement 670 cfm TBI
  • 1990-95 GM 5.7L V8 truck
    More info on Holley 502-9

    Fits Applications
    Installation Instructions for Holley 502-9
  • $515.99
    Ships