EFI Engine Management
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Holley EFI Universal MPFI Main Harness For HP and Dominator EFI, 558-104
Holley EFI
$571.95Universal MPFI Main Harness for HP EFI & Dominator EFIHLY-558-104$571.95 -
Mustang ECU Bracket for Holley HP, Terminator X, X-MAX or Dominator
Holley EFI
$116.95Holley EFI ECU mounting brackets (Select which ECU above), allowing you to safely mount your ECU under the seat of a Foxbody Mustang. 554-157 Easy Installation of Holley HP, Terminator X, or Terminator X Max ECU in Your Mustang Fits all 79-04...HLY-554-157$116.95