FAST Ignition Harness

Contains a pre-built harness.
GM HEI Adapter
HEI Adapter
Ignition Harness
These adapters allow a common ECU and main harness to adapt to a wide variety of ignition strategies.
This HEI Ignition Adapter kit contains the harness needed to adapt to an HEIgnition device.
XFI GM HEI Ignition Adapter Harness