Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series H76403FXL 5/8-18 in Female O-Ring Inlet

5/8-18 in Female O-Ring Inlet / Outlet

Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 -- This part is for the New Body StyleExtang is one of the leading producers of Tonneau covers on the market today

Includes reducer bushing along with a balancer bolt

This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 5

mounting hole modification may be necessary

Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series H76403FXL 5/8-18 in Female O-Ring InletECU 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