Mercury - 808483K1 Ignition Cap and Rotor Kit V8 GM / MerCruiser Engines Delco Ignition 808483K1. Overview. There's nothing quite like the sound of a V8 MerCruiser rumbling to life - crisp ignition, steady idle, and that deep, unmistakable tone that says everything's running right. The Mercury 808483K1 Ignition Cap and Rotor Kit keeps that moment alive by ensuring consistent spark delivery and clean electrical contact across every cylinder.. Built for 1997 and older GM/MerCruiser V8 engines with