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Wiring & Accessories

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-11%

HP Smart Coil Ignition Harness

SKU: GVMR_558-312

Regular price $299.95

Regular price ~~$337.95~~ Sale price $299.95
Compare Added to comparison

-11%

Holley EFI Ford Coyote Ti-VCT Sub Harness (2011-2012)

SKU: GVMR_558-124

Regular price $289.95

Regular price ~~$326.95~~ Sale price $289.95
Compare Added to comparison

-11%

Holley EFI Coyote Ti-VCT Main Harness for Holley EFI HP Smart Coils (2011-2017)

SKU: GVMR_558-122

Regular price $999.95

Regular price ~~$1,124.95~~ Sale price $999.95
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-11%

Holley EFI Ford Coyote Ti-VCT Sub Harness (2013-2017)

SKU: GVMR_558-125

Regular price $425.95

Regular price ~~$479.95~~ Sale price $425.95
Compare Added to comparison

-11%

Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and Stock Coils (2011-2017)

SKU: GVMR_558-110

Regular price $899.95

Regular price ~~$1,012.95~~ Sale price $899.95
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-11%

C-N-P Ignition Sub Harness

SKU: GVMR_558-318

Regular price $304.95

Regular price ~~$343.95~~ Sale price $304.95
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-11%

Universal Coil On/Near Plug Harness

SKU: GVMR_558-307

Regular price $199.95

Regular price ~~$224.95~~ Sale price $199.95
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-11%

Unterminated 15' Flying Lead Main Harness

SKU: GVMR_558-126

Regular price $449.95

Regular price ~~$506.95~~ Sale price $449.95
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-12%

HEI GM Small Cap Ignition Harness

SKU: GVMR_558-304

Regular price $63.19

Regular price ~~$71.95~~ Sale price $63.19
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-11%

Universal MPFI Coil On Plug Main Harness

SKU: GVMR_558-117

Regular price $623.95

Regular price ~~$701.95~~ Sale price $623.95
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-11%

Ford Coyote Coil Harness

SKU: GVMR_558-317

Regular price $233.95

Regular price ~~$263.95~~ Sale price $233.95
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-55%

Universal Unterminated Ignition Harness

SKU: GVMR_558-306

Regular price $99.95

Regular price ~~$219.95~~ Sale price $99.95
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-11%

Main Power Harness

SKU: GVMR_558-308

Regular price $110.95

Regular price ~~$124.95~~ Sale price $110.95
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-11%

Dominator EFI Auxiliary Harness

SKU: GVMR_558-403

Regular price $186.95

Regular price ~~$210.95~~ Sale price $186.95
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-11%

Gen III HEMI Coil Harness - Early Coils

SKU: GVMR_558-310

Regular price $199.95

Regular price ~~$224.95~~ Sale price $199.95
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-11%

Ford MPFI Coil On Plug Main Harness

SKU: GVMR_558-118

Regular price $675.95

Regular price ~~$760.95~~ Sale price $675.95
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-11%

Ford TFI Ignition Harness

SKU: GVMR_558-305

Regular price $133.95

Regular price ~~$150.95~~ Sale price $133.95
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-11%

Ford Modular 2V and 4V Main Harness for use with Holley Smart Coils

SKU: GVMR_558-113

Regular price $949.95

Regular price ~~$1,068.95~~ Sale price $949.95
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Haltech Nexus R3 Main Terminated Engine Wiring Harness Only

SKU: HALHT-186405

Regular price $950.99
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Haltech Nexus T2/T1 Basic Universal Wire-in Harness

SKU: HALHT-181200

Regular price $299.99
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Fleece Performance 20-24 GM 3.0L LM2/LZ0 Duramax Injector Harness Pigtail

SKU: FPEFPE-HAR-LM2-INJ-12P-PT

Regular price $49.99
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-11%

LS1/6 (24x/1x) Engine Main Harness - Extended Length

SKU: GVMR_558-133

Regular price $715.95

Regular price ~~$805.95~~ Sale price $715.95
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-11%

LS2/3/7+ (58x/4x) Engine Main Harness - Extended Length

SKU: GVMR_558-134

Regular price $715.95

Regular price ~~$805.95~~ Sale price $715.95
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-11%

Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors

SKU: GVMR_558-210

Regular price $207.95

Regular price ~~$233.95~~ Sale price $207.95
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-11%

TPI/Stealth Ram Main Harness

SKU: GVMR_558-101

Regular price $675.95

Regular price ~~$760.95~~ Sale price $675.95
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-11%

Universal 6 Cylinder Injector Harness

SKU: GVMR_558-203

Regular price $225.95

Regular price ~~$254.95~~ Sale price $225.95
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-11%

LS1/6 (24x/1x) Engine Main Harness

SKU: GVMR_558-102

Regular price $675.95

Regular price ~~$760.95~~ Sale price $675.95
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-11%

Holley EFI Benchtop Harness

SKU: GVMR_558-127

Regular price $249.95

Regular price ~~$281.95~~ Sale price $249.95
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-11%

Holley EFI GM Drive-By-Wire Harness - Early Truck

SKU: GVMR_558-429

Regular price $285.95

Regular price ~~$321.95~~ Sale price $285.95
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-11%

LSx Injector Harness - For EV6 Style Injectors

SKU: GVMR_558-201

Regular price $189.95

Regular price ~~$213.95~~ Sale price $189.95
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-11%

Unterminated Universal Main Harness

SKU: GVMR_558-105

Regular price $571.95

Regular price ~~$643.95~~ Sale price $571.95
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-11%

Main Engine Harness for 58x LS w/ TBI

SKU: GVMR_558-112

Regular price $727.95

Regular price ~~$818.95~~ Sale price $727.95