Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C2018 found under Tappet Engine Poppe by Thor Power Tool Co Sub Of Stewar. The National Stock Number assigned to this part is 2805004297603, and the Federal Supply Class is 2805 Gasoline Reciprocating Engines Except Aircraft And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C2018.