Multi Map Selector
$129.95
$116.96
GVMR_558-407
AVADA - Best Sellers
Electrical Switches and Components
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Components
ECM Calibration Select Switch - Key Selector - 4 Separate Maps - Holley Dominator EFI - Kit
Drive By Wire Harness GM
$214.95
$193.46
GVMR_558-406
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
Trans Wire Harness GM 4L60 Pre 2009 - 4L80
$270.95
$243.86
GVMR_558-405
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
Wiring Harnesses
EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each
J4 Connector & Harness
$169.95
$152.96
GVMR_558-404
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each
J3 Connector & Harness
$139.95
$125.96
GVMR_558-403
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each
J2B Auxiliary Harness Kit
$125.96
GVMR_558-402
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
Auxiliary Harness J2A Connector
$199.95
$179.96
GVMR_558-401
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
J1A/B Input/Output Connector
$95.95
$86.36
GVMR_558-400
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
EFI Pro-Billet Ignition Adapter
$29.95
GVMR_558-325
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each
Wiring Harness Adapter Hyperspark Ignition
$34.95
$31.46
GVMR_558-323
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each
GM LS Coil Sub Harnesses
$169.95
$152.96
GVMR_558-321
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair
Coil-Near-Plug Sub Harness - Big Wire
$214.95
$193.46
GVMR_558-318
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each
Coil Harness - Ford 4V Modular Engines
$184.95
$166.46
GVMR_558-315
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
Wiring Harnesses
Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each
HP EFI Sub-Harnesses - Smart Coil
$199.95
$179.96
GVMR_558-312
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each
EFI Main Power Harness
$85.95
$77.36
GVMR_558-308
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Main Power - Holley Dominator EFI - Each
LS Coil On Plug Harness Universal
$149.95
$134.96
GVMR_558-307
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each
Ford TFI Ignition Harness
$99.95
$89.96
GVMR_558-305
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each
HEI Ignition Harness
$44.95
GVMR_558-304
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each
Ignition Harness w/Magnetic Pickup
$71.96
GVMR_558-303
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each
Injector Harness Ford w/ Jetronic Injectors
$149.95
$134.96
GVMR_558-213
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each
Injector Harness - Ford USCAR/EV6 Style Injector
$149.95
$134.96
GVMR_558-212
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each
Injector Harness - 16 Injectors - Unterminated
$249.95
$224.96
GVMR_558-207
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - EV6 Style Injectors - Holley HP / Dominator EFI - Each
EFI Injector Harness - Universal Unterminated
$179.95
$161.96
GVMR_558-204
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
Wiring Harnesses
Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit
Injector Wiring Harness V8 EV6 Style Injectors
$149.95
$134.96
GVMR_558-201
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - EV6 Style Injectors - Holley Dominator EFI - Each
Injector Wiring Harness V8 Bosch Style Injectors
$152.96
GVMR_558-200
AVADA - Best Sellers
Fuel Injector Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each
Engine Main Harness Ford 5.0L/5.8L
$489.95
$440.96
GVMR_558-128
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
Engine Wiring Harness - Plug-and-Play - Small Block Ford - Each
Bench-Top EFI Test Harness
$166.46
GVMR_558-127
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
Wiring Harness - Bench Top Test - Holley EFI - Each
Flying Lead Main Harness
$369.95
GVMR_558-126
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit
Ford MPFI Coil On Plug Main Harness
$519.95
$467.96
GVMR_558-118
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each
Universal MPFI Coil On Plug Main Harness
$440.96
GVMR_558-117
AVADA - Best Sellers
Fuel System and Components
Ignition Wiring Harnesses
Ignitions and Electrical
New Products
Wiring Harnesses
Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each
Main Harness 99-04 Ford Mod Motor w/Smart Coil
$679.95
$611.96
GVMR_558-113
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each
Main Harness - Univesal Un-Terminated
$459.95
$413.96
GVMR_558-105
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit
Main Harness - Universal MPFI
$413.96
GVMR_558-104
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each
Main Wiring Harness LS2 & LS3
$494.96
GVMR_558-103
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM...
Main Wiring Harness LS1 & LS6
$549.95
$494.96
GVMR_558-102
AVADA - Best Sellers
Engine Wiring Harnesses
Fuel System and Components
Ignitions and Electrical
New Products
Wiring Harnesses
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series -...
Solenoid - Boost Control
$389.95
$350.96
GVMR_557-201
Air and Fuel
AVADA - Best Sellers
Boost Controllers
Forced Induction 1
Fuel System and Components
New Products
Superchargers, Turbochargers and Components
Boost Control Solenoid - Dual Port - Fittings Included - Holley EFI - Kit