H134-300C Holley HP Main Body Retrofit Kit



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SKU: H134-300C Category:


The retrofit main body kit converts 0-4777 (650 CFM), 0-4778 (700 CFM) and 0-4779 (750 CFM) carburettors to a 750 CFM HP main body for increased horsepower, torque and airflow.


  • Eliminates choke tower & associated hardware of standard Holley double pumper
  • Reduces turbulance & smoothes air entry into the venturi
  • Pre-calibrated at the factory for optimum performance & driveability on a wide variety of applications
  • Simple installation with common hand tools
  • All necessary parts are included


Additional information

Weight 2 kg


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