Exterior Components› Body Panels and Components
Holley
Sniper 2 Main Harness w/Fuel Pump Relay
SKU: H00E 558-191
Moderate — 2–4 hours
Description
Fitment
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Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 558-191 |
Videos
Holley Sniper 2 EFI: Your Complete Installation Guide To Sniper 2
Holley Sniper EFI 2 Install with David Freiburger on Roadkill Garage | MotorTrend Exclusive
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Upgrading from Sniper 1 to Sniper 2 EFI: Installation Guide for Enhanced Performance
Mr. Gasket Wiring Harness and Relay Kits
How To Install Holley's 255 LPH OEM Style EFI Fuel Tank Module
Sniper EFI Initial Startup and Troubleshooting
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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