Sierra International 18-8838-1 Magforce Plug Wire Set Sierra 18-8838-1 magforce plug Wire set for 8.1 mie and ho mie mercruiser engines, 2000 and up Before ordering, please verify this is the correct part for your application. For assistance, please call sierra's Tech support at 1-877-663-8396 All sierra parts qualify for and are Covered under sierra's industry leading customer satisfaction Warranty