FLASH SALE! ⚡️SAVE UP TO 40%!
-
Shop by Category
-
-
Anti-Theft
-
Floor Mats
-
- Gauge Kits
- Speedometer Gauges
- Tachometers & Shift Lights
- Temperature Gauges
- Voltmeter Gauges
- Fuel Level Gauges
- Pressure Gauges
- Air Fuel Ratio Gauges (AFR)
- Boost & Vacuum Pressure Gauges
- Pyrometer Gauges
- Race Dashes
- Custom Gauge Mounts & Trim
- Gauge Sensors & Adapters
- Gauge Wiring & Lights
- Driving Monitors & Data Loggers
- Timers, Hourmeters & Clocks
-
Shift Knobs
-
Interior Trim
-
Car Organizers
-
Accessories
-
Steering Wheels
-
Seat Covers
-
Interior Detailing
-
Car Seats
-
Sun Shades
-
-
-
-
- Shop by product
- Shop by brand
- WHEELS & TIRES
- Contact us
-
My garageAdd vehicle
My garage
- Get product recommendations
- Easily find parts & accessories
- -15%
- FREE SHIPPING
Previous
keyboard_arrow_left
Next
keyboard_arrow_right
Holley | HP EFI ECU And Harness Kit
550-603
Holley | HP EFI ECU & Harness Kit 550-603 | GM LS2, 58x USCAR (EV6), Bosch O2 included | Fuel, ignition, turbo, nitrous
Free Shipping
CAD $3,787.90
CAD $4,456.35
Save 15%
- FLASH SALE
Delivery in 2 to 3 weeks
- PROUDLY CANADIAN
- BEST PRICE GUARANTEE
- GUARANTEED FITMENT
Holley – HP EFI ECU & Harness Kit for GM LS2
Description
The Holley HP EFI ECU & Harness Kit 550-603 is designed for GM LS2 engines with a 58x crank reluctor and USCAR (EV6) connectors. Plug-and-play kit for precise control of fuel, ignition, turbo, nitrous, and water-methanol injection. Compatible with stock and modified configurations. Includes HP EFI ECU, harness, and Bosch O2 sensor. Base maps included. 5.7 in. color touchscreen, 1 to 5 bar MAP sensor.
Specifications
- Brand: Holley
- Part Number: 550-603
- Compatibility: GM LS2 (58x reluctor) (See Application Section)
- Includes: HP EFI ECU + harness + Bosch O2 sensor
- Ignition: GM LS 58x
- Injector Connectors: USCAR (EV6)
- MAP Sensor: 1 to 5 bar
- Display: 5.7 in. color touchscreen
- Self Tune: Auto-tuning strategy included
- Control: Turbo, nitrous, water-methanol
- Condition: New
- Sold and shipped by GBP Performance
Note:
- Livraison GRATUITE / FREE Delivery
Compatibility (Application)
| Make | Model | Years | Engine | Notes |
|---|---|---|---|---|
| GM | – | – | LS2 (58x) | Compatible with GM LS2 engines with 58x crank reluctor, USCAR (EV6) connectors |
Previous
keyboard_arrow_left
Next
keyboard_arrow_right