HOLLEY Universal MPFI Coil On Plug Main Harness

Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each

HOLLEY Ford MPFI Coil On Plug Main Harness

Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each

HOLLEY Flying Lead Main Harness

Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit

HOLLEY Bench-Top EFI Test Harness

Wiring Harness - Bench Top Test - Holley EFI - Each

HOLLEY Engine Main Harness Ford 5.0L/5.8L

Engine Wiring Harness - Plug-and-Play - Small Block Ford - Each

HOLLEY Sub-Harness Mopar Gen-3 Hemi VVT & SRV

EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each

HOLLEY Sniper 2 Main Harness For PDM

EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - Each

HOLLEY Sniper 2 Main Harness w/Fuel Pump Relay

EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - Each

HOLLEY Injector Wiring Harness V8 Bosch Style Injectors

EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each

HOLLEY Injector Wiring Harness V8 EV6 Style Injectors

EFI Wiring Harness - EV6 Style Injectors - Holley Dominator EFI - Each

HOLLEY EFI Injector Harness - Universal Unterminated

Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit

HOLLEY Injector Harness - 16 Injectors - Unterminated

EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit

HOLLEY Injector Harness V8 Evenly Spaced USCAR

Fuel Injector Harness - Adapter - USCAR EV6 / Stock to Bosch Jetronic / Minitimer - Each

HOLLEY Injector Harness - Ford USCAR/EV6 Style Injector

EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each

HOLLEY Injector Harness Ford w/ Jetronic Injectors

EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each

HOLLEY Harness Injector Driver Module

EFI Wiring Harness - J2B Plug to Dominator ECU Module - Universal - Each

HOLLEY HEI Ignition Harness

EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each

HOLLEY Ford TFI Ignition Harness

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

HOLLEY LS Coil On Plug Harness Universal

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

HOLLEY EFI Main Power Harness

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

HOLLEY Hemi Coil Harness Late TYCO

EFI Wiring Harness - Ignition Coil Wiring - Holley HP / Dominator EFI - Mopar Gen III Hemi - Each

HOLLEY HP EFI Sub-Harnesses - Smart Coil

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

HOLLEY Coil-Near-Plug Sub Harness - Big Wire

Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each

HOLLEY GM LS Coil Sub Harnesses

Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair

HOLLEY Wiring Harness Adapter Hyperspark Ignition

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

HOLLEY EFI Pro-Billet Ignition Adapter

EFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each

HOLLEY J1A/B Input/Output Connector

EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each

HOLLEY Auxiliary Harness J2A Connector

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

HOLLEY J2B Auxiliary Harness Kit

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

HOLLEY J3 Connector & Harness

Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each