Replace your OE distributor with one of these modern, high performance marine magnetic breakerless distributors from Mallory. Their complete, self-contained ignition system combines the triggering device and amplifier into a single unit that sits inside the distributor housing. The self-contained module/pickup assembly has no moving parts to wear out, making them superior to many other designs. Their time-tested breakerless ignition circuit and surface-mounted, Thermal-Clad construction provide reliability in harsh marine environments. Designed for 12 V negative-ground systems, they improve combustion efficiency and spark plug life, provide accurate timing, and have a simple wiring hookup for easy installation. They're designed to work with both OE and aftermarket coils, so you're sure to find the combination you need.