Electronic Conversion Kit

Part # & Price Description

Electronic Ignition Kit for Delco 4 Cylinder GM 140 3.0L 817337
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.

Complete Distributor
Ignition Coil
Wire Set
All Harnesses.

Replaces Mercruiser 817337

  • Not for OMC Stringer or Cobra Drive Engines!

Wiring Instructions


Electronic Ignition Distributor Kit Marine GM Small Big Block LH or RH
Marine Electronic Ignition System. Use as a points replacement kit or change your current electronic distributor. Great for replacing the troublesome Mercruiser Thunderbolt Ignition system or the Prestolite Electronic Ignition System on non computer controlled engines.
Fits all Standard Rotation and Opposite Rotation Small & Big Block non Roller Camshaft Engines. Specifically designed for marine use!
  • Distributor, SAE J1171 Marine certified
  • Hi-Energy 40,000 volt ignition coil with mounting bracket
  • Hi-Energy 8mm silicone wire set


Electronic Ignition Conversion for Mallory YL YD V8 Top Terminal Distributors
Electronic Conversion Kit
Fits Mallory 8 cylinder YL & YD series with stack (top Terminal) cap.

Fits: Mercruiser, Crusader, Indmar, PCM, Chris Craft, Marine Power
Converts Points style distributors to Electronic Ignition
Note: This Kit Will Not Work on a Mallory YL Series #670 Used on Many Crusader Applications.
WARNING: Cancer and Reproductive Harm-https://www.P65Warnings.ca.gov

Electronic Ignition Conversion Kit Marine for Prestolite V8 Clip Down Cap
Electronic Ignition Conversion Kit for V8 Marine Engines using the Prestolite Points Style distributor that has a clip down distributor cap.

This distributor was used on Ford, GM, and Chrysler V8 engines by multiple marine manufacturers. Crusader, Volvo, Chrysler, Indmar, Marine Power, PCM V8s and others.

Utilizes a magnetic sleeve which slides on the base of the rotor and a point plate that has an ignition pickup.

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