Big Block Chevy Multi-Port Power Pack Kit for Tall Deck, Rectangular Port heads

PART# 550-704

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Big Block Chevy Multi-Port Power Pack Kit for Tall Deck, Rectangular Port heads: includes Holley EFI single plane intake 2500-7200 RPM Power Band and 1000cfm Throttle Body New Holley Big Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. These kits are intended to be used in conjunction with a Holley HP or Dominator ECU. Holley EFI Power Pack kits can also be used with any aftermarket speed-density type ECU's that are designed for use with a multi-point system.


  • Enjoy vastly improved throttle response and idle control
  • Perfect way to finish out an EFI ECU kit
  • Complete with intake, throttle body, fuel rails and sensors


Emission Code3
Product TypeEFI Power Pack
Part Number550-704


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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      Some parts are not legal for use in California or other states with similar regulations.