Plug and play for both fuel and oil pressure inputs with Holley EFI systems. Plug and play for Holley Avenger, HP, and Dominator ECU fuel and oil pressure inputs. Use a small amount of PTFE thread sealer during installation.
Holley Efi 557-100 Water/Methanol Injection Pump
Holley EFI 522-108X High Impedance Fuel injectors 100 lb/hr Set of 8
Holley EFI 300-123 Holley LS Hi-Ram EFI Manifold GM LS1/LS2/LS6
Holley EFI 534-247 Holley EFI Stealth Fuel Log
Holley EFI 543-120 Sniper EFI Coolant Temperature Sensor:
Holley EFI 554-155 Sniper EFI & Terminator X Oxygen Sensor
