MSD Distributor Cap with your purchase!Verified fit Mercury Zephyr 1978-1982 (1978 1979 1980 1981 1982)Condition: New, Brand: MSD, Package Weight (PG): 0.75, Package Width (inches): 7.5, Package Height (inches): 2.8, Package Length (inches): 9.4FAST SHIPPING WARRANTY: We ship from various warehouses throughout the USA under the manufacturer's warranty! *Please ask us full technical details at the Questions field at bottom of the page.