Part Number:
HOL-550-603
GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor
$2,849.95
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.
| CNC Part Number | HOL-550-603 |
|---|---|
| Price | $2,849.95 |
| Manufacturer's Part Number | 550-603 |
| Brands | Holley |
| Part Types | Engine Management System |
| Departments | Parts |
| ECU & Harnesses | ECU & Harness Kit |
| Custom Notices | ⚠ PROP 65 WARNING |
Other Customers Also Bought
PART #: UEM-IC755-040
Icon Pistons IC755-040 Fits SBC 400 Flat Top 4.8cc Bore 4.165
Special Price
$809.66
Regular Price
$834.70
PART #: CP-SC7002
SC7002 CP Pistons, Forged - Acura/Honda - 3.307 Bore, 10.2:1
Special Price
$689.85
Regular Price
$766.50







