Electrical Components
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HOLLEY EFI FORD COYOTE COIL HARNESS 2011 to 2015 Ford Coyote Coil Harness, For HP EFI & Dominator EFI Part # 558-317
Original price was: $227.95.$201.95Current price is: $201.95. -
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HOLLEY EFI FORD COYOTE TI-VCT COIL HARNESS (2015.5-2017) Ford Coyote Ti-VCT Coil Harness (2015.5-2017) Part # 558-322
Original price was: $258.95.$229.95Current price is: $229.95. -
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HOLLEY EFI FORD MODULAR 2 VALVE EFI HARNESS KIT 1999-2004 Ford Modular 2 Valve Harness Kit Part # 558-505
Original price was: $1,565.95.$1,391.95Current price is: $1,391.95. -
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HOLLEY EFI 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 Part # 558-113
Original price was: $925.95.$822.95Current price is: $822.95. -
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Read moreHOLLEY EFI FORD MODULAR 4 VALVE EFI HARNESS KIT 1999-2004 Ford Modular 4 Valve Harness Kit Part # 558-506
Original price was: $1,278.00.$1,149.95Current price is: $1,149.95. -
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HOLLEY EFI FORD MPFI COIL ON PLUG MAIN HARNESS: Ford MPFI Coil On Plug Main Harness: Part # 558-118
Original price was: $671.95.$596.95Current price is: $596.95. -
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HOLLEY EFI FORD TFI IGNITION HARNESS Ford TFI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI Part # 558-305
Original price was: $130.95.$115.95Current price is: $115.95. -
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HOLLEY EFI FORD V8 INJECTOR HARNESS Evenly spaced Ford V8 Injector Harness for Jetronic “Bosch EV1” style Injectors Part # 558-213
Original price was: $204.95.$181.95Current price is: $181.95. -
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HOLLEY EFI FORD V8 INJECTOR HARNESS Evenly spaced Ford V8 Injector Harness for USCAR / EV6 style Injectors Part # 558-212
Original price was: $194.95.$172.95Current price is: $172.95. -
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HOLLEY EFI FORD V8 INJECTOR HARNESS Ford V8 Injector Harness for HP EFI & Dominator EFI Part # 558-209
Original price was: $259.95.$230.95Current price is: $230.95. -
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HOLLEY EFI GEN III HEMI COIL HARNESS – EARLY COILS Gen III HEMI Coil Harness, Early Coils, for HP EFI & Dominator EFI Part # 558-310
Original price was: $194.95.$172.95Current price is: $172.95. -
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HOLLEY EFI GEN III HEMI COIL HARNESS – LATE COILS Gen III HEMI Coil Harness, Late Coils, for HP EFI & Dominator EFI Part # 558-311
Original price was: $204.95.$181.95Current price is: $181.95. -
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HOLLEY EFI 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. Part # 558-116
Original price was: $826.95.$734.95Current price is: $734.95. -
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HOLLEY EFI 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. Part # 558-115
Original price was: $871.95.$774.95Current price is: $774.95. -
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HOLLEY EFI GEN III HEMI V8 INJECTOR HARNESS – BOSCH/JETRONIC AND HOLLEY INJECTORS USED FOR UPGRADES AND RACING Gen III HEMI Injector Harness with Bosch/Jetronic and Holley injectors used for upgrades and racing for HP EFI & Dominator EFI Part # 558-211
Original price was: $194.95.$172.95Current price is: $172.95. -
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HOLLEY 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 Part # 558-210
Original price was: $204.95.$181.95Current price is: $181.95. -
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HOLLEY EFI GM 58X EFI HARNESS KIT GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector Part # 558-501
Original price was: $925.95.$822.95Current price is: $822.95. -
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HOLLEY EFI GM LS 24X EFI HARNESS KIT GM LS1/6, 24X Crank Sensor, Bosch Injector Part # 558-500
Original price was: $1,021.95.$907.95Current price is: $907.95. -
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HOLLEY EFI GM LS 58X EFI HARNESS KIT GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector Part # 558-502
Original price was: $969.95.$861.95Current price is: $861.95. -
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HOLLEY EFI GM TPI AND STEALTH RAM EFI HARNESS KIT GM TPI and Holley Stealth Ram™ Part # 558-503
Original price was: $898.95.$798.95Current price is: $798.95. -
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Read moreHOLLEY EFI HOLLEY DIS COIL TO HOLLEY LSX HARNESS ADAPTER Holley Waste Fire DIS Coil to LSx Engine Harness Part # 558-309
Original price was: $123.00.$109.95Current price is: $109.95. -
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Read moreHOLLEY EFI HOLLEY EFI 100FT CABLE, 7 CONDUCTOR 7 conductor cable Part # 572-101
Original price was: $257.95.$228.95Current price is: $228.95. -
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HOLLEY EFI HOLLEY EFI 6.86″ STANDALONE PRO DASH 6.86″ Standalone Pro Dash Part # 553-117
Original price was: $1,574.95.$1,399.95Current price is: $1,399.95. -
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HOLLEY EFI HOLLEY EFI CAN INPUT/OUTPUT MODULE – WITHOUT HARNESS Adds Up To Eight Inputs and Outputs Part # 554-166
Original price was: $409.95.$363.95Current price is: $363.95. -
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HOLLEY EFI HOLLEY EFI CAN INPUT/OUTPUT MODULE KIT Adds Up To Eight Inputs and Outputs Part # 554-165
Original price was: $499.95.$443.95Current price is: $443.95. -
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HOLLEY EFI ECU PIN CRIMPER Ratcheting crimper tool for ECU Pins. Part # 567-100
Original price was: $681.95.$605.95Current price is: $605.95. -
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HOLLEY EFI EV6 UNTERMINATED INJECTOR HARNESS KIT EV6 Unterminated Injector Harness Kit Part # 558-216
Original price was: $151.95.$134.95Current price is: $134.95. -
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HOLLEY EFI HOLLEY EFI FORD COYOTE ENGINE MAIN HARNESS W/ TI-VCT AND STOCK COILS (2011-2017) Coyote Engine Main Harness compatible with 2011-2017 Ti-VCT Coyote Engines Part # 558-110
Original price was: $885.95.$786.95Current price is: $786.95. -
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HOLLEY EFI HOLLEY EFI FORD 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 Part # 558-122
Original price was: $966.95.$858.95Current price is: $858.95. -
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Read moreHOLLEY EFI HOLLEY EFI FORD COYOTE TI-VCT SUB HARNESS (2011-2012) Coyote Ti-VCT Sub Harness for 2011-2012 Engines with Stock Camshafts Part # 558-124
Original price was: $282.95.$250.95Current price is: $250.95. -
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HOLLEY EFI HOLLEY EFI FORD COYOTE TI-VCT SUB HARNESS (2013-2017) Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts Part # 558-125
Original price was: $409.95.$363.95Current price is: $363.95. -
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HOLLEY EFI HOLLEY EFI MAIN POWER HARNESS FOR COYOTE TI-VCT APPLICATIONS Main Power Harness for use with Ti-VCT Coyote Applications Part # 558-319
Original price was: $62.95.$55.35Current price is: $55.35. -
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HOLLEY EFI HOLLEY EFI OXYGEN SENSOR Replacement Sniper and Terminator X O2 Sensor Part # 554-155
Original price was: $166.95.$147.95Current price is: $147.95. -
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HOLLEY EFI HOLLEY STANDALONE DIGITAL DASH KIT 7″ Digital Dash, Compact & Fully Customizable! Part # 553-109
Original price was: $1,627.95.$1,446.95Current price is: $1,446.95. -
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HOLLEY EFI INJECTOR DRIVER HARNESS Part # 558-219
Original price was: $323.95.$287.95Current price is: $287.95. -
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HOLLEY EFI INJECTOR HARNESS – EARLY TRUCK LS MULTEC 2 INJECTOR HARNESS – EARLY TRUCK Part # 558-214
Original price was: $284.95.$252.95Current price is: $252.95. -
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HOLLEY EFI LS COIL EXTENSION HARNESSES Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils. Part # 558-326
Original price was: $131.95.$116.95Current price is: $116.95. -
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HOLLEY EFI LS COIL HARNESSES Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils. Part # 558-321
Original price was: $202.95.$179.95Current price is: $179.95. -
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HOLLEY EFI LS1/6 (24X/1X) ENGINE MAIN HARNESS LS1/6 Main Harness for HP EFI & Dominator EFI Part # 558-102
Original price was: $653.95.$580.95Current price is: $580.95. -
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Read moreHOLLEY EFI LS1/6 (24X/1X) ENGINE MAIN HARNESS, EXTENDED LENGTH LS1/6 Main Harness for HP EFI & Dominator EFI Part # 558-133
Original price was: $695.95.$617.95Current price is: $617.95. -
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HOLLEY EFI LS2/3/7+ (58X/4X) ENGINE MAIN HARNESS EXTENDED LENGTH LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI Part # 558-134
Original price was: $695.95.$617.95Current price is: $617.95. -
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HOLLEY EFI LS2/3/7+ (58X/4X) ENGINE MAIN HARNESS LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI Part # 558-103
Original price was: $653.95.$580.95Current price is: $580.95. -
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HOLLEY EFI LSX INJECTOR HARNESS – FOR EV6 STYLE INJECTORS LSx Injector Harness for HP EFI, Dominator EFI and Terminator X. Part # 558-201
Original price was: $178.95.$158.95Current price is: $158.95. -
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HOLLEY EFI MAIN ENGINE HARNESS FOR 24X LS W/TBI Main Harness for us with 24x/1x Gen 3 LS with Terminator Throttle Body Fuel Injection Part # 558-111
Original price was: $722.95.$641.95Current price is: $641.95. -
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HOLLEY EFI MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness for us with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection Part # 558-112
Original price was: $735.95.$653.95Current price is: $653.95. -
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HOLLEY EFI MAIN POWER HARNESS Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI Part # 558-308
Original price was: $102.95.$90.75Current price is: $90.75. -
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HOLLEY EFI METRIPACK CRIMPING TOOL-150/280 20-14AWG Ratcheting crimper tool for Metri-pack 20-14AWG Terminals. Part # 567-102
Original price was: $233.95.$207.95Current price is: $207.95. -
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HOLLEY EFI SEALED USB DATA CABLE Holley EFI Sealed USB Cable 15′ Part # 558-438
Original price was: $137.95.$121.95Current price is: $121.95. -
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HOLLEY EFI TERMINATOR 1 BAR MAP SENSOR Terminator 1 bar MAP sensor Part # 554-120
Original price was: $116.95.$103.95Current price is: $103.95.











































