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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
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Description
Gen III HEMI Coil Harness - Early Coils 558-310Gen III HEMI Coil Harness, Early Coils, for HP EFI & Dominator EFI Features: Take control of your Gen III HEMI with Holley EFI by controlling fuel and spark. Great for power upgrades and engine swaps. 1 Capable of tuning with power adders such as nitrous, superchargers or turbos and compatible with methanol and water injection2 Harnesses are available to connect to a Gen III HEMI engine for the most advanced fuel and timing controls available3 Each
Gen III HEMI Coil Harness, Early Coils, for HP EFI & Dominator EFI
Features:
- Take control of your Gen III HEMI with Holley EFI by controlling fuel and spark. Great for power upgrades and engine swaps.1
- Capable of tuning with power adders such as nitrous, superchargers or turbos and compatible with methanol and water injection2
- Harnesses are available to connect to a Gen III HEMI engine for the most advanced fuel and timing controls available3
- Each Harness is designed in fit and function specifically for the Gen III HEMI engine platform4
- All wiring is TXL grade copper wiring with minimal weight, high temp sleeve in a small diameter5
- Factory style terminations provide a strong, secure connection6
- Connectors are OEM grade for a correct, positive fit7
- Each harness is routed through a split-loom braid for protection and great looks8
Specs:
| Brand | Holley EFI |
|---|---|
| Category Filter | Fuel Injection - EFI |
| Clearance Category | Fuel Injection - EFI |
| Emission Code | 4 |
| Harness Application | HEMI |
| Harness Type | Ignition |
| Product Type | HEMI Coil Harness |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Consider it
Size: 5X-Large, Color: Black
Not the right cut
Decent quality
I recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
★★★★★ 5
Summer Days.
Size: Medium, Color: Sky Blue
Very cool & comfortable for the summer. Great price as well.
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Reviewed in the United States on July 5, 2025
★★★★★ 5
DRsing
Size: X-Large, Color: Khaki
Excellent fit and product, especially for price. Very lightweight material.
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Reviewed in the United States on June 24, 2025
★★★★★ 3
The color
Size: 3X-Large, Color: Red
Nice suit but the color looks more pink than RED. IM going to keep it n wear it.....
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Happy with my purchase
Size: 3X-Large, Color: Lake Blue, Size: 3X-Large, Color: Lake Blue
I was pleased with my purchase good quality great price will be ordering another color soon
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2025
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