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Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack

Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack

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Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
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Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
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Part # 425550707
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707 Small Block Chevy Stealth Ram Multi-Port Power Pack kit for Early/Late heads includes: Satin Stealth Ram intake (idle-6500 RPM Power Band) and 2 X 58 mm Throttle Body New Holley Stealth Ram Small 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.

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

Installation Instructions (PDF)

Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 425550707 is made to order. It will be shipped from our warehouse when it is produced.
Some parts are not legal for use in California or other states with similar laws/regulations

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