EFI HARNESS KIT for GM TPI and Holley Stealth Ram
Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!
•Harness Kit Includes: Stealthram/TPI Main Harness, Main Power Harness, V-8 Injector Harness, HEI Ign Harness and Ignition Adapter & Tach Input
•Works with HP or Dominator ECU's
NOTICE: You will need to purchase a ECU and O2 Sensor to make this a complete kit.
558-503 EFI Harness for GM TPI, Holley Stealth Ram