Sierra/Prime Line 18-5498-1 Sierra International Electronic Distributor

Sierra/Prime Line (740) (740) Sierra International Electronic Distributor Designed for 12 volt negative ground systems; Combines the triggering device and amplifier into a single unit that sits inside distributor housing; No moving parts to wear out, Time tested reliability you need in extreme marine conditions; A simple wiring hook up allows this system to fit a wide variety of marine applications; This ignition system drives both original equipment and high performance coils, Improved performance and combustion efficiency; Improved spark plug life; Accurate spark timing, Reduced maintenance; Easy installation; Rotation: Reverse. ELECTRONIC DISTRIBUTOR Interchanges to Mallory 9-26307, Mallory YLM624BV Designed for 12 Volt negative ground Systems Combines the triggering device and amplifier into a single unit that sits inside distributor housing No moving parts to wear out Firing order 1-2-7-5-6-3-4-8.