Black Friday / Cyber Monday pricing is in effect now through the end of November.  No coupon code required--all discounts are already applied. Buying now on out-of-stock items will lock in your purchase at today's pricing.  Don't wait!  Note: On December 1st, Holley's 5% across-the-board price increase kicks in so buy before midnight November 30th or lose this opportunity forever!
Happy Holiday's from Team EFI System Pro!

Injector Harnesses

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Holley EFI Dual-Quad Terminator Injector Harness

This harness allows you to add a second Terminator throttle body to your single throttle body setup-..

$105.00 $89.36

Injector Harness, 2x 4-BBL Holley TBI

The Holley TBI Fuel Injection Kits are awesome, but what if you need to replace two carburetors? Si..

$207.00 $176.95

Injector Harness, Ford V8

Ford V8 Injector Harness for HP EFI & Dominator EFI..

$194.00 $164.95

Injector Harness, Ford V8 w/Jetronic Injectors

Ford V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced)..

$153.00 $129.95

Injector Harness, Ford V8 w/USCAR Injectors

Ford V8 Injector Harness for Ford USCAR style Fuel Injectors (Evenly Spaced)..

$153.00 $129.95

Injector Harness, Gen III HEMI V8 with Bosch/Jetronic and Holley injectors

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connect..

$154.00 $130.95

Injector Harness, Gen III HEMI V8 with Stock/USCAR style injectors

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connect..

$154.00 $130.95

Injector Harness, LSx with OE EV6 (USCAR) Style Injector Connectors

This harness come finished with plugs for EV6-style injectors and plugs directly into the fuel injec..

$147.00 $124.95

Injector Harness, MPFI Unterminated 16 injectors

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must..

$256.00 $218.95

Injector Harness, MPFI Unterminated 24 injectors

Unterminated 24 injector MPFI harness Terminated at injector connectors (Bosch style). Harness must ..

$350.00 $299.95

Injector Harness, V8 Over-Manifold, Bosch Style

V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI..

$173.00 $146.95

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