New
Arrivals/Restock
Holley EFI 558-502 Fuel Injection Harness
( items)
Limited Time SaleUntil the end
15
28
46
US$599.97 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$399.98
Product details
| Management number | 254580228 | Release Date | 2026/11/07 | List Price | US$399.98 | Model Number | 254580228 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector;<br><br>An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Holley's Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!;
- Harness Kit Includes; Main Power Harness, LS2 Main Harness & V-8 Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
| Compatible cars | GM LS2/LS3/LS7 |
|---|---|
| Vehicle make | GM |
| Vehicle model | LS2, LS3, LS7 |
| Fuel injection accessory & part type | Fuel Injection Harness |
| Brand | Holley EFI |
| Automotive parts division | Performance |
| Vehicle fitment type | Specific |
| Items included | Main Power Harness, LS2 Main Harness & V-8 Injector harness |
| Accessories | Main Power Harness, LS2 Main Harness & V-8 Injector harness |
| Model | 558-502 |
| Weight | 5.75 lb |
| Has written warranty | No |
| Vehicle type | Car |
| Multipack quantity | 1 |
Bestseller ranking
Holley EFI
Customers who viewed this product also viewed
Oil Drain Plugs
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