Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series 20-OTL-NR-5XL Cylinder number appears on each

Cylinder number appears on each wire

Built from high strength molded "rubber" components

of unsprung weight on the front of your car to improve front to rear weight bias and wheel control

Threaded Terminals

Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series 20-OTL-NR-5XL Cylinder number appears on eachECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Holley HP EFI systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. This feature allows the user to configure the system to support a wide range of controls including boost control, progressive nitrous, water meth injection, speed inputs, fuel pump