Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 85164AS found under Cup Rocker Arm by Marine Engine Specialties Div Of. The National Stock Number assigned to this part is 2815001257767, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 85164AS.