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Wiring & Accessories

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Bosch style intercooler pump relay harness

Regular price $94.00
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Ewp150 hd relay harness

Regular price $94.00
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LS / LT Coil Harness Left and Right Side

SKU: ls-lt-coil-harness-l/r

Regular price $179.00
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BP Automotive LSA Supercharger Coil and Injector Sub Harness

SKU: LSA-001

Regular price $199.00
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LSA Intake Air temp break out Harness Gen 3 99-07 GM truck

SKU: intakeairg3harnessgm

Regular price $45.00
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Intake Air Temp Break out Harness Gen 4

SKU: intakeairg4harness

Regular price $50.00
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Holley EFI Alternator 4 pin + Flex Fuel Harness

Regular price $68.00
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Heavy duty intercooler pump universal harness 20’

Regular price $110.00
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Haltech NEXUS S2/S3 Plug-n-Play Adapter Harness

SKU: HALHT-186330

Regular price $535.99
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-11%

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter

SKU: GVMR_558-416

Regular price $42.87

Regular price ~~$48.23~~ Sale price $42.87
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-5%

Radium Engineering Bulkhead Harness Internal Triple Walbro F90000262 Pump

SKU: RAD17-0028

Regular price $80.99

Regular price ~~$84.95~~ Sale price $80.99
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Haltech i6 Timer (EV1) Primary Injector Harness

SKU: HALHT-186004

Regular price $145.99
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-11%

Holley EFI GM GEN V GDI Sub Harness

SKU: GVMR_558-221

Regular price $155.95

Regular price ~~$175.95~~ Sale price $155.95
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-11%

Holley EFI GM GEN V GDI Sub Harness

SKU: GVMR_558-220

Regular price $158.95

Regular price ~~$178.95~~ Sale price $158.95
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-11%

Ford 7.3L Godzilla Main Harness for Smart Coils

SKU: GVMR_558-141

Regular price $531.95

Regular price ~~$598.95~~ Sale price $531.95
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-11%

Ford 7.3L Godzilla Main Harness for Stock Coils

SKU: GVMR_558-140

Regular price $519.95

Regular price ~~$584.95~~ Sale price $519.95
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-11%

Holley EFI LT4 Engine Main Harness

SKU: GVMR_558-130

Regular price $611.95

Regular price ~~$688.95~~ Sale price $611.95
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-11%

Holley EFI Gen V LT Engine Main Harness

SKU: GVMR_558-129

Regular price $611.95

Regular price ~~$688.95~~ Sale price $611.95
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Holley EFI Ford Foxbody Main Harness

SKU: GVMR_558-128

Regular price $584.95

Regular price ~~$658.95~~ Sale price $584.95
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-11%

Dominator EFI Kit - LS2 Main Harness w/ Trans Control with EV1 Injector Harness

SKU: GVMR_550-658

Regular price $3,599.95

Regular price ~~$4,049.95~~ Sale price $3,599.95
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-11%

With Coil on Plug Main and Sub Harness with EV1 Injector Harness Dominator EFI Kit - Universal - COP Main Harness

SKU: GVMR_550-654

Regular price $3,499.95

Regular price ~~$3,937.95~~ Sale price $3,499.95
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-11%

Dominator EFI Kit - LS2 Main Harness w/ DBW with EV1 Injector Harnesses

SKU: GVMR_550-659

Regular price $3,599.95

Regular price ~~$4,049.95~~ Sale price $3,599.95
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-11%

Dominator EFI Kit - Universal Main Harness with EV1 Injector Harness

SKU: GVMR_550-652

Regular price $3,299.95

Regular price ~~$3,712.95~~ Sale price $3,299.95
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-11%

Dominator EFI Kit - LS2 Main Harness w/ Trans and DBW with EV1 Injector Harness

SKU: GVMR_550-660

Regular price $3,699.95

Regular price ~~$4,162.95~~ Sale price $3,699.95
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-11%

Harness Kit

SKU: GVMR_550-655

Regular price $3,499.95

Regular price ~~$3,937.95~~ Sale price $3,499.95
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-11%

Dominator EFI Kit - LS1 Main Harness with EV1 Injector Harness

SKU: GVMR_550-650

Regular price $3,299.95

Regular price ~~$3,712.95~~ Sale price $3,299.95
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-11%

Dominator EFI Kit - LS1 Main Harness w/ Trans Control with EV1 Injector Harness

SKU: GVMR_550-656

Regular price $3,599.95

Regular price ~~$4,049.95~~ Sale price $3,599.95
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-11%

Dominator EFI Kit - LS1 Main Harness w/ Trans and DBW with EV1 Injector Harness

SKU: GVMR_550-657

Regular price $3,699.95

Regular price ~~$4,162.95~~ Sale price $3,699.95
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-11%

Dominator EFI Kit - Ford Main Harness with EV1 Injector Harness

SKU: GVMR_550-653

Regular price $3,299.95

Regular price ~~$3,712.95~~ Sale price $3,299.95
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-11%

Dominator EFI Kit - LS2 Main Harness with EV1 Injector Harness

SKU: GVMR_550-651

Regular price $3,299.95

Regular price ~~$3,712.95~~ Sale price $3,299.95
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-11%

Ford V8 Injector Harness

SKU: GVMR_558-213

Regular price $212.95

Regular price ~~$239.95~~ Sale price $212.95
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Holley Terminator X Max EFI 7.3L Godzilla Kit (2020–22) W/ DBW Harness

SKU: GVMR_550-1431

Regular price $1,849.95

Regular price ~~$2,081.95~~ Sale price $1,849.95