HOLLEY EFI 558-417 Drive Wire Harness Pedal 090127688083

( Brand: Holley Efi ), ( Manufacturer Part Number: 558-417 ), ( Part Type: Wire Drive Harness Pedal ), ( UPC: 090127688083 )

Review HOLLEY EFI Gen Drive by wire Harness Early Pedal fits HEMI

The Holley EFI 558-417 Gen III Hemi Drive-by-Wide Pedal Assembly is an essential component for any enthusiast looking to upgrade their Gen III Hemi engine with electronic fuel injection. This pedal assembly is meticulously designed to provide a direct plug-and-play connection between the engine management system and the throttle and brake pedals in your vehicle.

The pedal assembly includes three separate pedals for the throttle, brake, and clutch (if applicable). Each pedal is constructed from high-quality materials, ensuring durability and longevity. The throttle pedal features a progressive design, providing improved throttle response and driving feel. The brake pedal is rigid and firm, ensuring optimal braking performance. The clutch pedal, if included, offers a positive engagement for smooth and consistent shifts.

The 558-417 pedal assembly is compatible with Holley EFI Gen III systems and comes with a wiring harness that connects to the engine management system. The harness includes a total of 15 wires, including power, ground, and signal wires for the throttle, brake, and clutch (if applicable). The wires are color-coded and clearly labeled for easy identification and installation.

The pedal assembly is designed to be a direct replacement for OEM pedals, requiring no modifications to the vehicle's firewall or pedal box. The installation process is straightforward, with clear instructions provided in the included manual. The pedals can be adjusted for pedal position and free play to ensure a comfortable and precise driving experience.

In summary, the Holley EFI 558-417 Gen III Hemi Drive-by-Wide Pedal Assembly is an excellent upgrade for any Gen III Hemi engine equipped with electronic fuel injection. It offers improved driving feel, ease of installation, and a direct plug-and-play connection to the engine management system. With its durable construction, clear labeling, and adjustable pedals, this pedal assembly is a must-have for any enthusiast looking to maximize the performance of their Gen III Hemi engine.

The Holley EFI 558-417 Gen III Hemi Drive-by-Wire Harness Pedal is a component used in the upgrade or conversion of a Gen III Hemi engine to electronic fuel injection. Here are some potential pros and cons of this product based on its features and customer reviews.

1. Plug-and-Play Design: The harness pedal is designed to be a direct replacement for the factory pedal assembly. It is engineered to plug directly into the vehicle's wiring harness, making the installation process easier and more straightforward.

2. Drive-by-Wire Technology: The harness pedal utilizes drive-by-wire technology, which eliminates the need for traditional mechanical linkages between the throttle pedal and the engine. This results in smoother and more responsive throttle control.

3. Pedal Sensing: The harness pedal includes sensors that monitor brake, throttle, and clutch pedal position. These sensors provide real-time feedback to the engine management system, allowing for precise control and improved drivability.

4. Adjustability: The harness pedal offers adjustability for pedal position, making it easier for drivers to find a comfortable and optimal position.

5. High-Quality Construction: The harness pedal is built with high-quality materials and components, ensuring durability and reliability.

1. Price: The Holley EFI 558-417 Gen III Hemi Drive-by-Wire Harness Pedal is a premium product, and its price point might be a barrier for some customers.

2. Compatibility: This harness pedal is designed specifically for Gen III Hemi engines, so it may not be compatible with other engine types or vehicle models.

3. Installation Complexity: While the harness pedal is designed to be plug-and-play, some customers have reported that the installation process can be complex, especially if they are not familiar with the wiring harness and the connections.

4. Pedal Feel: Some customers have reported that the harness pedal does not provide the same feel as the factory pedal, which could be a concern for those who prioritize pedal feedback and responsiveness.

The Holley EFI 558-417 Gen III Hemi Drive-by-Wire Harness Pedal is a high-quality component that offers several advantages, including plug-and-play design, drive-by-wire technology, pedal sensing, adjustability, and high-quality construction. However, it comes with some potential downsides, such as a higher price point, compatibility limitations, installation complexity, and pedal feel concerns. Ultimately, if you are looking to upgrade your Gen III Hemi engine to electronic fuel injection and are willing to pay a premium for a smoother and more responsive driving experience, then the Holley EFI 558-417 Gen III Hemi Drive-by-Wire Harness Pedal could be a worthwhile investment.

If you are in the market for a harness pedal for your Gen III Hemi engine upgrade, the Holley EFI 558-417 Gen III Hemi Drive-by-Wire Harness Pedal is a solid option to consider. Its advanced features and high-quality construction make it a popular choice among enthusiasts and professionals. However, it's essential to weigh the pros and cons carefully and ensure that it fits within your budget and installation capabilities before making a purchase. If you have any concerns or questions about the product, it's always a good idea to consult with a knowledgeable technician or the manufacturer's customer support team.

Details:

Buyer pays return shipping. 558-417 Gen III HEMI Drive-By-Wire Harness - Early Pedal: with the larger TYCO/AMP connector '03-'07 cars, '03-'06 trucks Dominate Only. You can run an engine that is equipped with VVT, but the cam timing will revert to mechanical default. The Hems Variable Valve Timing is not supported by the Holley EFI systems at this time.

The early pedals use a larger connector. The Holley Ream is working on an accessory harness that will drive the VVT actuator. Only the 0459 1847 factory DBW throttle body has been calibrated and approved for use with this harness. View the image gallery to see both types.

NOTE: Not legal for sale or use on pollution controlled vehicles. The Hems Multi-Displacement System MDS was primarily designed for fuel economy purposes and does not need to be connected when switching a Holley EFI system. Similar to the changes with cam and crank sensors, Drive-By-Wire throttle pedal connector was changed in 2008 on cars while trucks 2007 model's. However, it is not available at this time.

A signature is required on all UPS orders over $750. Interestingly, the throttle body connector is consistent on all engines.

part #: 558417 prices

• $274.95-$300.57

specifications airfueldepo:

• for models: Hemi
• brand: Holley Efi
• mpn: 558-417
• part type: Wire Drive Harness Pedal
• upc: 090127688083

seller airfueldepo:

• city: Bowling Green, Kentucky
• rating: 99.2%
• # reviews: 17198

general airfueldepo:

• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
• condition: New

payments airfueldepo:

• wallet: Apple-pay
• credit card: Mastercard
• other

offer airfueldepo:

• started: November 1, 2025
• sold: 0
• quantity: 10
• options: Ship-to-home
• availability: In Stock

shipping airfueldepo:

• transit: 3-6 Days
• carrier: UPS
• type: Fixed
• class: Standard
• cost: $0.00
• service: UPS Ground

returns airfueldepo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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