Description Description EFI Wiring Harness - Ignition Coil Wiring - Holley HP / Dominator EFI - Mopar Gen III Hemi - Each View AllClose
Add to Cart Quick view Main Wire Harness Hemi Late W/ TPS & IAC (HLY558-116) HOLLEY MSRP: Now: $661.95 Was: Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit
Add to Cart Quick view GM LS Coil Sub Harnesses (HLY558-321) HOLLEY MSRP: Now: $161.95 Was: Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Kit
Add to Cart Quick view LS Coil On Plug Harness Universal (HLY558-307) HOLLEY MSRP: Now: $155.65 Was: Ignition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each
Add to Cart Quick view Universal MPFI Coil On Plug Main Harness (HLY558-117) HOLLEY MSRP: Now: $507.95 Was: Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each
Add to Cart Quick view Ford MPFI Coil On Plug Main Harness (HLY558-118) HOLLEY MSRP: Now: $537.95 Was: Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each
Out of stock Quick view HP EFI Sub-Harnesses - Smart Coil (HLY558-312) HOLLEY MSRP: Now: $217.75 Was: EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each
Add to Cart Quick view Sub-Harness Mopar Gen-3 Hemi VVT & SRV (HLY558-132) HOLLEY MSRP: Now: $135.85 Was: EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each
Add to Cart Quick view Coil-Near-Plug Sub Harness - Big Wire (HLY558-318) HOLLEY MSRP: Now: $223.15 Was: Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each
Add to Cart Quick view J3 Connector & Harness (HLY558-403) HOLLEY MSRP: Now: $161.95 Was: Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each