Holley EFI Holley EFI 558-422 - Ford Coyote Drive-By-Wire Harness MSRP: $310.95 Was: Now: $275.95 Add to Cart
Holley EFI Holley EFI 558-513 - EFI HARNESS KIT, FORD FOXBODY 5.0L V8 W/TFI MSRP: $1,068.95 Was: Now: $949.95 Add to Cart
Holley EFI Holley EFI 558-510 - Ford Coyote Ti-VCT Harness Kit MSRP: $2,024.95 Was: Now: $1,799.95 Add to Cart
Holley EFI Holley EFI 558-501 - Fuel Injection Wire Harness MSRP: $1,012.95 Was: Now: $899.95 Add to Cart
Holley EFI Holley EFI 558-502 - Fuel Injection Wire Harness MSRP: $1,068.95 Was: Now: $949.95 Add to Cart
Holley EFI Holley EFI 558-508 - Universal Ford V8 Harness Kit MSRP: $885.95 Was: Now: $432.95 Add to Cart
Holley EFI Holley EFI 558-503 - Fuel Injection Wire Harness MSRP: $956.95 Was: Now: $849.95 Add to Cart
Holley EFI Holley EFI 558-505 - Ford Modular 2 Valve EFI Harness Kit MSRP: $1,687.95 Was: Now: $1,499.95 Add to Cart
Holley EFI Holley EFI 558-500 - Fuel Injection Wire Harness MSRP: $1,124.95 Was: Now: $999.95 Add to Cart
Holley EFI Holley EFI 558-471 - Transmission Control Harness MSRP: $329.95 Was: Now: $292.95 Add to Cart
Holley EFI Holley EFI 558-504 - Universal Multi-Point Main Harness MSRP: $956.95 Was: Now: $849.95 Add to Cart
Holley EFI Holley EFI 558-470 - Automatic Transmission Wire Harness MSRP: $303.95 Was: Now: $269.95 Add to Cart
Holley EFI Holley EFI 558-461 - Drive-By-Wire Throttle Body Harness MSRP: $534.95 Was: Now: $474.95 Add to Cart
Holley EFI Holley EFI 558-414 - Terminator® EFI Wiring Harness MSRP: $562.95 Was: Now: $499.95 Add to Cart
Holley EFI Holley EFI 558-411 - GM Dual Throttle Body Drive-By-Wire Harness MSRP: $415.95 Was: Now: $368.95 Add to Cart
Holley EFI Holley EFI 558-408 - Fuel Injector Connector And Pin Kit MSRP: $247.95 Was: Now: $221.99 Add to Cart
Holley EFI Holley EFI 558-407 - Dominator EFI Multi Map Selector MSRP: $194.95 Was: Now: $180.99 Add to Cart
Holley EFI Holley EFI 558-141 - Ford 7.3L Godzilla Main Harness for Smart Coils MSRP: $520.95 Was: Now: $374.95 Add to Cart
Holley EFI Holley EFI 558-405 - Fuel Injection Wire Harness MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-422 - Ford Coyote Drive-By-Wire Harness Holley EFI - 558-422Ford Coyote Drive-By-Wire HarnessInjector Harness; Ford Coyote Drive By Wire Harness;Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines2011-2017 Ford Coyote (5.0L)... MSRP: $310.95 Was: Now: $275.95 Add to Cart
Holley EFI Holley EFI 558-513 - EFI HARNESS KIT, FORD FOXBODY 5.0L V8 W/TFI Holley EFI - 558-513Holley EFI Harness Kit - Ford Foxbody 5.0L V8 W/TfiFor 1979 to 1993 Ford Mustangs when converting to Holley EFI ECUThis harness is for fuel injected small block ford engines such... MSRP: $1,068.95 Was: Now: $949.95 Add to Cart
Holley EFI Holley EFI 558-510 - Ford Coyote Ti-VCT Harness Kit Holley EFI - 558-510Ford Coyote Ti-VCT Harness KitTI-VCT Harness Kit; Incl. Main Power Harness/TI-VCT Main Harness PN[558-110]/Coil Drivers/USCAR Injector Harness;Introducing Coyote Twin Independent... MSRP: $2,024.95 Was: Now: $1,799.95 Add to Cart
Holley EFI Holley EFI 558-501 - Fuel Injection Wire Harness Holley EFI - 558-501Fuel Injection Wire Harness; For Use w/HP Or Dominator; Incl. Main Harness/LS2 Harness/LSX Injector Harness; For Use w/LS2/LS3/LS7 w/58 Tooth Crank Sensor; USCAR/EV6 Injector;An... MSRP: $1,012.95 Was: Now: $899.95 Add to Cart
Holley EFI Holley EFI 558-502 - Fuel Injection Wire Harness Holley EFI - 558-502Fuel Injection Wire Harness; For Use w/HP Or Dominator; Incl. Main Harness/LS2 Harness/LSX Injector Harness; For Use w/LS2/LS3/LS7 w/58 Tooth Crank Sensor; Bosch Injector;An EFI... MSRP: $1,068.95 Was: Now: $949.95 Add to Cart
Holley EFI Holley EFI 558-508 - Universal Ford V8 Harness Kit Holley EFI - 558-508Universal Ford V8 Harness KitInjector Harness; Fits w/Dominator Or HP ECU; Bosch Injector; Incl. Main Power Harness/Universal Main Harness For Ford V8/Ignition Adapter And Tach... MSRP: $885.95 Was: Now: $432.95 Add to Cart
Holley EFI Holley EFI 558-503 - Fuel Injection Wire Harness Holley EFI - 558-503GM TPI and Stealth Ram EFI Harness KitFuel Injection Wire Harness; For Use w/HP Or Dominator; Incl. Main Power Harness/Stealth Ram/TPI Main Harness/V8 Injector Harness/HEI... MSRP: $956.95 Was: Now: $849.95 Add to Cart
Holley EFI Holley EFI 558-505 - Ford Modular 2 Valve EFI Harness Kit Holley EFI - 558-505Ford Modular 2 Valve EFI Harness KitInjector Harness; For Use w/1999-2004 Ford Modular 2V Engines; Incl. Main Power Harness/Injector Harness/Harness Coil Drivers;This wiring... MSRP: $1,687.95 Was: Now: $1,499.95 Add to Cart
Holley EFI Holley EFI 558-500 - Fuel Injection Wire Harness Holley EFI - 558-500Fuel Injection Wire Harness; For Use w/HP Or Dominator ECU; Works w/LS1/LS6 And 24 Tooth Crank Sensor;An EFI system depends heavily on being supplied a clean and constant voltage... MSRP: $1,124.95 Was: Now: $999.95 Add to Cart
Holley EFI Holley EFI 558-471 - Transmission Control Harness Holley EFI - 558-471Holley EFI Transmission Control Harness - 1992-1997 Ford AODE/4R70WTransmission Control Harness;Expanding our transmission control options for our EFI systems, this harness... MSRP: $329.95 Was: Now: $292.95 Add to Cart
Holley EFI Holley EFI 558-504 - Universal Multi-Point Main Harness Holley EFI - 558-504Universal Multi-Point Main Harness; Incl. Main Power Harness/Universal Main MPFI Harness For V8/Power Harness/Injector Harness; Works w/Dominator Or HP ECU;An EFI system depends... MSRP: $956.95 Was: Now: $849.95 Add to Cart
Holley EFI Holley EFI 558-470 - Automatic Transmission Wire Harness Holley EFI - 558-470Holley EFI Transmission Control Harness - 1998+ Ford 4R70W/4R75WAutomatic Transmission Wire Harness; Plug And Play Fully Terminated Harness;Expanding our transmission control... MSRP: $303.95 Was: Now: $269.95 Add to Cart
Holley EFI Holley EFI 558-466 - MAP Sensor Connector Holley EFI - 558-466Weatherpak to GT MAP Adapter HarnessMAP Sensor Connector; MPFI Weatherpack 3-Pin To 3-Pin Delphi GT Connector; MPFI To SS;These two new MAP sensor adapters from Holley EFI allow... MSRP: $74.79 Was: Now: $67.99 Add to Cart
Holley EFI Holley EFI 558-461 - Drive-By-Wire Throttle Body Harness Holley EFI - 558-461Holley EFI Ford GT500 and 3V Drive-by-Wire Throttle Body Harness2005-2010 Ford Mustang GT and GT500 ModelsIntroducing a new Holley EFI DBW Throttle Body wiring harness for the OEM... MSRP: $534.95 Was: Now: $474.95 Add to Cart
Holley EFI Holley EFI 558-414 - Terminator® EFI Wiring Harness Holley EFI - 558-414Terminator® EFI Wiring Harness; Replacement Harness For Use w/PN[550-405/550-406];Replacement main harness for Terminator EFI installations using 4 barrel throttle body fuel... MSRP: $562.95 Was: Now: $499.95 Add to Cart
Holley EFI Holley EFI 558-467 - MAP Sensor Connector Holley EFI - 558-467Delphi M/P 150 to GT MAP Adapter HarnessMAP Sensor Connector; Delphi M/P 150 3-Pin To 3-Pin Delphi GT Connector; LS To SS;These two new MAP sensor adapters from Holley EFI allow... MSRP: $50.59 Was: Now: $45.99 Add to Cart
Holley EFI Holley EFI 558-416 - EFI Harness Adapter Holley EFI - 558-416Holley EFI LS Main Harness to LS3-style MAP Sensor AdapterHolley EFI Harness Adapter; Adapts LS1/LS2 MAP Sensor Connection To LS3 MAP Sensor;Holley EFI LS main harnesses have a... MSRP: $71.49 Was: Now: $64.99 Add to Cart
Holley EFI Holley EFI 558-411 - GM Dual Throttle Body Drive-By-Wire Harness Holley EFI - 558-411GM Dual Throttle Body Drive-By-Wire Harness;Dominator EFI GM Dual Drive-By-Wire HarnessGM Dual Throttle Body Drive-By-Wire HarnessBrand: Holley EFICategory: Air and Fuel... MSRP: $415.95 Was: Now: $368.95 Add to Cart
Holley EFI Holley EFI 558-409 - Sealed USB Data Cable Holley EFI - 558-409Sealed USB Data CableHolley EFI Sealed USB Cable 7'7' long sealed USB data cable. This cable is included with the purchase of an HP or Dominator ECU.EFI Sealed USB CableBrand:... MSRP: $120.99 Was: Now: $109.99 Add to Cart
Holley EFI Holley EFI 558-408 - Fuel Injector Connector And Pin Kit Holley EFI - 558-408j2A, j2B, j3, j4 Connector & Pin Kit - Contains connectors & pins, but no wiring. for Dominator EFIFuel Injector Connector And Pin KitBrand: Holley EFICategory: Air and Fuel... MSRP: $247.95 Was: Now: $221.99 Add to Cart
Holley EFI Holley EFI 558-407 - Dominator EFI Multi Map Selector Holley EFI - 558-407Dominator EFI Multi Map Selector; Incl. 4 Position Switch; Harness And Plug;Designed to be used with the Holley Dominator EFI systems with multiple maps to select between up to... MSRP: $194.95 Was: Now: $180.99 Add to Cart
Holley EFI Holley EFI 558-141 - Ford 7.3L Godzilla Main Harness for Smart Coils Holley EFI - 558-141Ford 7.3L Godzilla Main Harness for Smart CoilsIncludes VVT and Oil Pump Connectors on IGN1A Smart CoilsThe Terminator X offers an advanced engine management solution specifically... MSRP: $520.95 Was: Now: $374.95 Add to Cart
Holley EFI Holley EFI 558-405 - Fuel Injection Wire Harness Holley EFI - 558-405Holley EFI Transmission Control Harness - GM 4L60 (Pre-2009) and 4L80Fuel Injection Wire Harness; 4L60/80E Transmission Harness; w/J4 Connector For Dominator EFI;Expanding our... MSRP: $337.95 Was: Now: $299.95 Add to Cart
