Click to view instructions and wiring diagram
Electronic Ignition Kit, Delco EST (Electronic Spark Timing) Style for GM 140 HP, 181, 3.0L MerCruiser Engines with electronic timing.
Converts old points systems to latest style Delco high energy Marine Distributor.
This distributor has Electronic Advance which means the module controls the timing based on engine RPM so it has no weights to ever stick or wear out.
Replaces Mercruiser 817337
- Not for OMC Stringer or Cobra Drive Engines!