Complete Piston Ø 40 mm Stihl Includes: Compression segment Ø 40x1.2 mm Piston pin 11x7x24 2 x Circlip 11 Models: FS 240 FS 240 R FS 240 FS 240 C-E FS 240 R FS 240 RC-E FS 360 C-E FS 360 C-EM FS 361 C-EM