Holley EFI 558-115 Fuel Injection Harness
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US$359.98
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Product details
| Management number | 254482540 | Release Date | 2026/11/07 | List Price | US$359.98 | Model Number | 254482540 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Gen III HEMI Main Harness w Throttle Position Sensor & Idle Air Control, For use with Cable Throttle Body.;<br><br>Gen III HEMI Harness with TPS and Idle Air Control Connections.<br>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 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
| Vehicle model | Gen III HEMI |
|---|---|
| Fuel injection accessory & part type | EFI Hemi Main Harness, Early, W/ Tps & Iac |
| Brand | Holley EFI |
| Automotive parts division | Performance |
| Vehicle fitment type | Specific |
| Material | TXL grade copper |
| Model | 558-115 |
| Weight | 5 oz |
| Has written warranty | No |
| Vehicle type | Car |
| Multipack quantity | 1 |
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