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Street Race Truck More... The Toolbox
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$543.95
$440.06
Holley EFI 558-115 Gen III Hemi Main Harness, Early
Holley EFI 558-115 Gen III Hemi Main Harness, Early

Holley EFI 558-115 Gen III Hemi Main Harness, Early

5.7 Chrysler Hemi V8

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Holley EFI 558-115 Gen III Hemi Main Harness, Early
Holley EFI 558-115 Gen III Hemi Main Harness, Early
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We estimate this item will ship on or before December 21st.
Part # 425558115
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$440.06
$543.95
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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GTIN Code:
090127727447

Info

HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

Gen III HEMI Harness with TPS and Idle Air Control Connections.

This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant to be used in conjunction with an injector harness, a coil harness, and two ignition modules. Most stock sensors are used with this harness. There are two optional connectors for interfacing with CAN-based Holley modules.

Gen III HEMI Main Harness w Throttle Position Sensor & Idle Air Control, For Manual Throttle Body Application

  • Gen III Hemi Main Harness with IAC motor wiring/connector and TPS wiring/connector for a manual throttle body application
  • Take control of your Gen III HEMI with Holley EFI by controlling fuel and spark. Great for power upgrades and engine swaps.
  • Capable of tuning with power adders such as nitrous, superchargers or turbos and compatible with methanol and water injection
  • Harnesses are available to connect to a Gen III HEMI engine for the most advanced fuel and timing controls available
  • Each Harness is designed in fit and function specifically for the Gen III HEMI engine platform
  • All wiring is TXL grade copper wiring with minimal weight, high temp sleeve in a small diameter
  • Factory style terminations provide a strong, secure connection
  • Connectors are OEM grade for a correct, positive fit
  • Each harness is routed through a split-loom braid for protection and great looks

Installation Instructions

Some parts are not legal for use in California or other states with similar laws/regulations

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