If you're looking to convert an MPFI, or small block / big block distributor EFI harness to run factory-style smart coils, such as an LS D510C, D585, factory 2023+ Godzilla, etc, this is exactly what you need.
Pre-terminated harness for adding coil-on-plug wiring into an ECU harness not originally set up for it.
Features
- 70in overall length
- Pre-loomed with leads labeled for Bank 1 / Bank 2
- Compatible with Holley EFI, Haltech Elite & NEXUS, FuelTech, MoTeC or any other ecu that uses AMP SuperSeal 1.0 terminals.
- Includes a sealed inline fuse holder with 20A fuse.
- Compare to Holley part no. 558-307