D8DZ12127AX REMAN DISTRIBUTOR 1975 TO 1981 COMET GRANADA MONARCH MAVERICK TBIRD FAIRMONT WITH 3.3 AND 4.1. ON THE EARLY 4.1 THESE FIT WITH CATALYST. THIS IS A REMANUFACTURED DISTRIBUTOR BY RMP, FORD'S AUTHORIZED REMANUFACTURER LOCATED IN PENNSAUKEN N.J. THAT'S WHAT THE X DESIGNATES. REMANUFACTURED MEANS IT WAS PUT TO FORD FACTORY SPECIFICATIONS, UNLIKE REBUILT, REFURBISHED OR NON GENUINE PARTS THAT USE EVEN USED PARTS TO PEPAIR THEM . NO CORE NECESSARY, WILLING TO COMBINE SHIPPING