Complete piston Includes: Piston Ø 34 mm 2 x Compression segment Ø 34 x 1.5 mm Piston pin 8x5x22 2 x Circlip 8x0.7 Models: HS 81 R HS 81 RC-E HS 81 R-Z HS 81 T HS 81 TC-E HS 81 TC-E Z HS 81 T-Z HS 86 R HS 86 R-Z HS 86 T HS 86 T-Z