Holley EFI 558-126 Engine Wiring Harness
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US$179.98
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Product details
| Management number | 254677344 | Release Date | 2026/11/07 | List Price | US$179.98 | Model Number | 254677344 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Pre-Terminated J1A / J1B 15' Flying Lead Main Harness;<br><br>The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.;
- 15’ long flying lead harness, allows you to completely customize your main harness installation
- 60 Holley Crimped Wires (57x 20 ga, 3x 18 ga)
- 30 optional plug seals
| Manufacturer part number | 558-126 |
|---|---|
| Automotive electrical part & accessory type | Wires |
| Compatibility | J1A / J1B |
| Vehicle fitment type | Specific |
| Brand | Holley EFI |
| Vehicle make | GM |
| Vehicle model | LS |
| Assembled product weight | 6.36 lb |
| Rec. use | Automotive |
| Items included | Holley EFI Flying Lead Main Harness |
| Count per pack | 1 |
| Size | One Size |
| Vehicle type | Car |
| Has written warranty | No |
| Model | 558-126 |
| Automotive parts division | Performance |
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Automotive Electrical
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