Mercury 808483K2 GM V8 Engines with Delco HEI ignition Cap & Rotor KitThis OEM Cap & Rotor kit is for use with Mercury V8 GM engines that use a Delco HEI ignition. Made with solid brass inserts to help resist corrosion and electrical pitting for a long working life. The cap is a blend of PBT and PET plastics for increased strength and to resist warping from marine environments.Application Marinized V8 GM engines built between 1998 & 2015 with Delco HEI ignitions; Replaces MerCruiser: 808483K; Sierra: 18-5291;