New
Arrivals/Restock
Holley EFI 558-126 Engine Wiring Harness
( items)
Limited Time SaleUntil the end
06
39
30
US$269.97 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
See all stores
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used US$179.98
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 |
Bestseller ranking
Automotive Electrical
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form