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

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

Holley #510-502-4

Replacement 670cfm TBI
  • 1986-89 GM 4.3L V6 truck
    • $502.99 Ships 02/21/12
    Installation Instructions for Holley 502-4 - Holley GM 2-bbl Throttle Bodies
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    Holley 502-4 - Holley GM 2-bbl Throttle Bodies

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



    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.

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