Silencer gasket. Models: BG 56 BG 56 C-E BG 56 C-E D BG 56 C-E Z BG 56-D BG 56-Z BG 66 C-E D BG 66 C-E Z BG 66-D BG 66-Z BG 86 BG 86 C-E BG 86 C-E D BG 86-D BR 200 BR 200-D FC 56 C-E Z FC 70 C-E Z FC 70-Z FS 40 - 4144 FS 40 C-E FS 50 - 4144 FS 50 C-E FS 50 C-E L FS 50-L FS 56 - 4144 FS 56 C-E FS 56 C-E Z FS 56 R FS 56 RC-E FS 56 RC-E Z FS 70 C-E FS 70 RC-E HL 56 K-Z HT 56 C-E HT 56 C-E Z KM 56 RC-E MM 56 MM 56 C-E Z Yard Boss MM 56-Z Yard Boss SH 56 SH 56 C-E SH 56 C-E D SH 56 C-E Z SH 56-D SH 86 SH 86 C-E SH 86 C-E D SH 86 C-E Z SH 86-D SR 200 SR 200-D SR 200-Z