HP POLISHED STEALTH RAM™ SBC MULTI-PORT EFI for EARLY / LATE HEADS

Holley

$ 3,295.95 $ 3,662.95
Part# HLY-550-823

HP Polished Stealth Ram™
You’ll get some attention when you pop the hood and show an HP Polished Stealth Ram™ Multi-Point EFI system! Available for tra-ditional or Vortec headed SB Chevys. Simply utilize a laptop (or the optional 5.7” full color touch screen LCD) along with the HP’s self-tuning capabilities to make it easy as 1, 2, 3 to get your car up and running with EFI. The tunnel ram design of the Stealth Ram builds power in the upper RPM while maintaining excellent mid-range torque as well. 

550-823 HP EFI  Polished Stealth Ram™ SBC Multi-Port EFI for Early / Late heads
System include:
intake manifold, billet throttle body, ECU, wiring harness, HEI ignition adapter, fuel rails and related small parts.

Not included: Fuel pump, fuel lines and injectors
These should be selected separately to fit your requirements

  • Crank & Cam Sensor Requirements for 550-823
  • Instructions for Part# 550-823
  • Additional Instructions for Part# 550-823
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