Sale

Ignitions and Electrical› Wiring Harnesses

Holley

HEMI DBW HARNESS, LATE MOLEX

$287.95 $274.54 Save $13.41

SKU: H00E 558-418

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This harness is designed for late-model Gen III HEMI engines with the updated throttle pedal connector introduced in 2007 for trucks and 2008 for cars. It enables precise control of fuel and spark through Holley EFI systems, making it an essential upgrade for optimizing engine performance. It's compatible with power adders like nitrous oxide, superchargers, turbos, and methanol/water injection systems.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E 558-418
Weight0.9 lb

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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