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Holley Performance HP EFI Stealth Ram Fuel Injection System 550-823


Chevy Small Block V8 - Early To Late Heads - Range Up To 500 hp - Polished

Pricing: $3,295.95


Holley Performance - HP EFI Stealth Ram Fuel Injection System P/N 550-823 Features:

  • Maximize Performance
  • Utilize A Laptop Or Hand Held Tuner
  • Self Tuning Capabilities
  • 4 Programmable Inputs
  • 4 Programmable Outputs
  • Plug And Play Control Of Factory Engines
  • Internal Data-Logging Is Standard
  • 4 Stage Progressive Nitrous Control

Product Documents:


Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.


  • 550-823
  • 550-823
  • 090127667033
  • Holley Performance
  • New

Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W20.0000” x H16.0000” x L32.0000”

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