Marine Electronic Ignition Kit for GM 305 350 454 502 Cubic inch engines. Delco EST (Electronic Spark Timing)Ignition system is a High Energy Ignition (HEI) System with electric advance timing based on engine RPM. That means no weights to stick and no springs to break. Includes Distributor, Coil, Wire Set and all pigtails for wiring.

Wiring Instructions

• Distributor, SAE J1171 Marine certified
• Hi-Energy 40,000 volt ignition coil with mounting bracket
• Hi-Energy 8mm silicone wire set

• Great Replacement for Obsolete Prestolite Electronic Distributors
• Ignition Protected

Electronic Marine Distributor for Chevrolet Marine Engines. Fits Small Block and Big block V-8 Engines.

Used By OMC, Volvo, Marine Power PCM Indmar and Crusader

EST stands for Electronic Spark Timing which means the ignition timing is controlled by a module based on RPM rather than with Mechanical weights that can stick or corrode.

This distributor is designed to be a direct plug-in replacement for Carbureted or late model GM Fuel Injection V-8 Engines.

This Distributor is for all Left Hand (STD.) Rotation engines. Also Fits RH opposite Rotation engine with a Flat Tapped Camshaft (1997 and Earlier)

NOT FOR RH ROLLER CAM ENGINES!!!. These engines are Vortec engines that were built after 1997. IF you have a RH engine after 1997 this will not fit!
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REPLACES MERCRUISER 805222A1