Do you like the tunability of Holley's modular carbs, but need to simply replace a Q-jet? The spread bore bolt pattern of the 0-80555S lets you do just that. It has vacuum secondaries and electric choke, so it is useable on a wide variety of vehicles. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.***The 0-80555S is a Model 4175 designed to fit GM spread bore passenger car and light truck applications. It is not compatible with Ford or Chrysler Spread bore applications. The 0-80555S is not recommended for any RV applications. The 0-80555S is not designed to pass any emission laws. The 0-80555S is to be used only for Uncontrolled (Non-Emmisions Controlled) Vehicles or competition/off road vehicles.A carburetor spacer could be required to clear certain components on stock applications such as the Mr. Gasket 3406.
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