EFI Service Parts

Holley EFI Main Power Harness for Coyote Ti-VCT Applications Main Power Harness for use with Ti-VCT Coyote Applications

HP Smart Coil Ignition Harness For use with Holley® HP and Dominator ECUs and other EFI systems

Gen III HEMI Coil Harness - Late Coils Gen III HEMI Coil Harness, Late Coils, for HP EFI & Dominator EFI

Gen III HEMI Coil Harness - Early Coils Gen III HEMI Coil Harness, Early Coils, for HP EFI & Dominator EFI

Main Power Harness Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI

Universal Coil On/Near Plug Harness For use with Holley® HP and Dominator ECUs and other EFI systems

Universal Unterminated Ignition Harness Universal Unterminated Ignition Harness for HP EFI & Dominator EFI

Ford TFI Ignition Harness Ford TFI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI

HEI GM Small Cap Ignition Harness HEI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI

Tach Input Ignition Adapter Tach Input Ignition Adapter

Injector Driver Harness Plug and Play with Dominator ECU

Holley EFI EV6 Unterminated Injector Harness Kit EV6 Unterminated Injector Harness Kit

INJECTOR HARNESS - EARLY TRUCK LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK

Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors Gen III HEMI Injector Harness with Bosch/Jetronic and Holley injectors used for upgrades and racing for HP EFI & Dominator EFI

Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors Gen III HEMI Injector Harness with Stock/USCAR style Injectors for HP EFI & Dominator EFI

Ford V8 Injector Harness Ford V8 Injector Harness for HP EFI & Dominator EFI

Unterminated 16 Injectors MPFI Harness Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch EV1 style).

Universal Unterminated Injector Harness Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).

Universal 6 Cylinder Injector Harness Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFI

LSx Injector Harness - For EV6 Style Injectors LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.

V8 over Manifold, Bosch Style Injector Harness V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder Orientation

Ford 7.3L Godzilla Main Harness for Smart Coils Includes VVT and Oil Pump Connectors for use with IGN1A Smart Coils, requires 558-474 - Crank Signal Conditioner

Ford 7.3L Godzilla Main Harness for Stock Coils Includes VVT and Oil Pump Connectors, for use with Stock Coils, requires the 558-474 - Crank Signal Conditioner

LS2/3/7+ (58x/4x) Engine Main Harness Extended Length LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI

LS1/6 (24x/1x) Engine Main Harness, Extended Length LS1/6 Main Harness for HP EFI & Dominator EFI

5.0L Ford Engine Main Harness Plug and Play with fuel injected 5.0L Small Block Ford Engines

Unterminated 15' Flying Lead Main Harness Pre-Terminated J1A / J1B 15' Flying Lead Main Harness

Holley EFI Ford Coyote Ti-VCT Sub Harness (2013-2017) Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts

Holley EFI Coyote Ti-VCT Main Harness for Holley EFI HP smart coils (2011-2017) Coyote Ti-VCT Main Harness for 2011-2017 Coyote Engines using Holley EFI HP smart coils

Terminator Stealth 2x4 MAIN HARNESS Easily convert from single to dual Terminator Stealth

Gen III HEMI Main Harness , Late, w/TPS and Idle Air Control Connections Gen III HEMI Main Harness w/Throttle Position Sensor & Idle Air Control, For Late Crank & Cam Sensors, for HP EFI & Dominator EFI, For use with Cable Throttle Body.

Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections Gen III HEMI Main Harness w Throttle Position Sensor & Idle Air Control, For use with Cable Throttle Body.

Ford Modular 2V & 4V Main Harness for use with Holley Smart Coils Main Harness for 1999-2004 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines for use with Holley Smart Coils

MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness for us with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection

Main Engine Harness for 24x LS w/TBI Main Harness for us with 24x/1x Gen 3 LS with Terminator Throttle Body Fuel Injection

Unterminated Universal Main Harness Unterminated Universal Main Harness for HP EFI & Dominator EFI

Universal MPFI Main Harness Universal MPFI Main Harness for HP EFI & Dominator EFI

LS2/3/7+ (58x/4x) Engine Main Harness LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI

LS1/6 (24x/1x) Engine Main Harness LS1/6 Main Harness for HP EFI & Dominator EFI

TPI/Stealth Ram Main Harness TPI/Stealth Ram? Main Harness for Avenger EFI, HP EFI & Dominator EFI

Solenoid/Nozzle 1000cc/min (800HP) Solenoid/Nozzle 1000cc/min (800HP)

Water Methanol Pump High Pressure Water Methanol Pump

1/4" EGT PROBE, OPEN TIP 90DEG 60IN

1/4" EGT PROBE, OPEN TIP 90DEG 32.25IN

1/4" EGT PROBE, OPEN TIP 90DEG 27.50IN