MSD Ignition Harness Adapter - Adapts To Digital 7 Ignition Controls 600090141 Stackable shims index spark plugs

Stackable shims index spark plugs at 30° intervals up to 360°

These oils may be unsuitable for use in some engines

or breather stacks can be installed on a special order basis

Quickly and easily pull main bearing caps off GM LS series V8 engines

MSD Ignition Harness Adapter - Adapts To Digital 7 Ignition Controls 600090141 Stackable shims index spark plugsThe Harness, PN 7789, allows a user to use their existing Programmable 7 Harness to install the Power Grid System with minimal changes. The harness is designed to be a direct plug in for all existing wires, but will need two new wires run if the user desires the two new inputs of the Power Grid. MSD Ignition Harness Adapter 7789 Adapts (7730) To Digital 7 Ignition Controls Provides Splice Free Installation Connectors Plug Directly To The Factory Units