Inner Cylinder head O-Ring made of Viton (FKM). In our opinion, Viton is...
Tygon F-4040-A hose, inner diameter 4,8mm (3/16")
Counter Shaft Sprocket from Afam. #415 (14-18 teeth)
Outer Cylinder Head O-Ring made of Nitrile (NBR)
Piston ring for Wössner forged pistons, fits Wössner Part Nr. 8253 (DA,DB,DC,DD).
Piston kit with wristpin, ring and circlips for Aprilia RS125. High performance part, 1 ring piston.
Needle bearing 15x19x19,5mm.
Top end gasket kit with basegasket in three differnt thicknesses.