Here is a pair of piston rings to fit Stihl BR380 BR400 BR420 BR420C leaf blowers and Stihl saws SR400, SR420, 029, 290, 034, MS191, MS290 and Solo 662.   These rings are 46 mm bore diameter for a 1.5 mm wide pinned groove.   A quality made ring by Elko.

Replaces OEM part number 1118 034 3001 or 503 28 90-14  as well as 11180343001 or 503289014.
Also fits Husquvarna models 55, 55 Rancher, 257, and 357, & 357XP     If you are buying these for a Stihl 029 or 028 check the bore diameter first as the early models of these are 45mm and 44 mm bore instead of the larger 46 mm which this auction is for. 

We have piston rings available for most any thing big or small, new or old at ringspacers dot com

Shipped from 21916 in USA.  Most shipments go out the same or next day by USPS.   If you purchase late Friday we usually get it out in Saturdays mail.   We know that you have equipment down and want to get the parts as soon as possible.    We try to treat customers the way we would like to be treated if we were the buyers.