Wiring Harnesses

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  Holley EFI

  I/O Adapter for Digital Dash

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  £190.34

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  £190.34

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  I/O Adapter for Digital DashDigital Dash Wiring Harness - Input/Output Extender - Holley Digital Dash - Kit
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  Holley EFI

  Bench-Top EFI Test Harness

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  £279.94

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  £279.94

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  Bench-Top EFI Test HarnessWiring Harness - Bench Top Test - Holley EFI - Each
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  Holley EFI

  10-Pin Harness - Sniper TBI

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  £69.31

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  £69.31

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  £69.31

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  10-Pin Harness - Sniper TBIEFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - Each
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  Holley EFI

  Wire Harness Kit - EFI Terminator I/O

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  £63.00

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  £63.00

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  Wire Harness Kit - EFI Terminator I/OEFI Wiring Harness - Input / Output - Holley Terminator EFI - Each
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  Holley EFI

  7-Pin Main Harness - Sniper TBI

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  £176.34

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  £176.34

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  7-Pin Main Harness - Sniper TBIEFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - Kit
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  Holley EFI

  Wiring Harness - EFI Digital Dash I/O Adapter

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  £419.94

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  £419.94

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  Wiring Harness - EFI Digital Dash I/O AdapterGauge Wiring Harness - EFI Digital Dash - Kit
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  Holley EFI

  EFI Gauge Module Anolog Style Can Gauges

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  £174.66

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  £174.66

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  £174.66

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  EFI Gauge Module Anolog Style Can GaugesGauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each
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  Holley EFI

  Wire Harness LS to SS Map Adapter

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  £27.94

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  £27.94

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  Wire Harness LS to SS Map AdapterWiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - Each
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  Holley EFI

  J1A/B Input/Output Connector

  Regular price

  £152.26

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  £152.26

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  £152.26

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  J1A/B Input/Output ConnectorEFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
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  Holley EFI

  Auxiliary Harness J2A Connector

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  £272.10

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  £272.10

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  £272.10

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  Auxiliary Harness J2A ConnectorEFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
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  Holley EFI

  J2B Auxiliary Harness Kit

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  £209.38

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  £209.38

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  £209.38

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  J2B Auxiliary Harness KitEFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
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  Holley EFI

  GM LS Coil Sub Harnesses

  Regular price

  £232.90

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  £232.90

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  £232.90

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  GM LS Coil Sub HarnessesIgnition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair
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  Holley EFI

  Sub-Harness Mopar Gen-3 Hemi VVT & SRV

  Regular price

  £194.82

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  £194.82

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  £194.82

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  Sub-Harness Mopar Gen-3 Hemi VVT & SRVEFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each
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  Holley EFI

  Map Sensor Adapter LS1 & LS2 to LS3

  Regular price

  £48.01

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  £48.01

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  £48.01

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  Map Sensor Adapter LS1 & LS2 to LS3Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each
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  Holley EFI

  EFI Pro-Billet Ignition Adapter

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  £47.15

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  £47.15

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  £47.15

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  EFI Pro-Billet Ignition AdapterEFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each
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  Holley EFI

  Wiring Harness Adapter Hyperspark Ignition

  Regular price

  £55.94

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  £55.94

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  £55.94

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  Wiring Harness Adapter Hyperspark IgnitionEFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each
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  Holley EFI

  HP EFI Sub-Harnesses - Smart Coil

  Regular price

  £335.94

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  £335.94

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  £335.94

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  HP EFI Sub-Harnesses - Smart CoilEFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each
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  Holley EFI

  Pro-Dash Harness Un-terminated IO

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  £335.94

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  £335.94

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  £335.94

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  Pro-Dash Harness Un-terminated IODash Wiring Harness - Pins / Plugs / Wires Included - Kit
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  Holley EFI

  Coil-Near-Plug Sub Harness - Big Wire

  Regular price

  £341.54

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  £341.54

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  £341.54

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  Coil-Near-Plug Sub Harness - Big WireIgnition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each
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  Holley EFI

  Flying Lead Main Harness

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  £503.94

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  £503.94

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  £503.94

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  Flying Lead Main HarnessEngine Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit
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  Holley EFI

  Ford TFI Ignition Harness

  Regular price

  £150.02

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  £150.02

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  £150.02

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  Ford TFI Ignition HarnessEFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each
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  Holley EFI

  LS Coil On Plug Harness Universal

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  £223.94

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  £223.94

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  £223.94

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  LS Coil On Plug Harness UniversalIgnition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each
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  Holley EFI

  EFI Main Power Harness

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  £124.26

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  £124.26

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  £124.26

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  EFI Main Power HarnessEFI Wiring Harness - Main Power - Holley Dominator EFI - Each
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  Holley EFI

  J3 Connector & Harness

  Regular price

  £209.38

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  £209.38

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  £209.38

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  J3 Connector & HarnessWiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each