CYLINDER PISTON KIT FOR STIHL MS251 CHAINSAW ZYLINDER KOBLEN RINGS PIN CLIPS ASSEMBLY 1143-020-1207 FREE SHIPPINGITEM KEY FEATURES & SPECIFICATIONS:BORE DIA.: 44 MM COLOR: SILVER OR BLACK, GRAY IN DEFAULTAPPLICATIONSFITS STIHL MS251 & MORE CHAINSAWSCROSS REFERENCEREPLACES OEM PART#(S): STIHL 1143-020-1207 ,1143 030 2007PACKAGE INCLUDES1 X CYLINDER & PISTON KIT OR 1 X CYLINDER BLOCK ONLY WITHOUT PISTON KITTHE PICTURES CAN TELL MORE THEN WE CAN, WHAT YOU SEE IS WHAT YOU WILL RECEIVE, PLEASE MAKE SURE IT CAN FIT YOUR ENGINE BEFOR YOU BUYING ON IT.