Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild. Vertex piston kit (piston, rings, and clips). Hot Rods heavy duty crank (stock stroke- includes wrist pin bearing for two strokes). Hot Rods main bearing/seal kit. Hot Rods transmission bearing kit (includes transmission bearings, output shaft collar and sprocket lock washer). Hot Rods counter balancer bearing kit. Hot Rods water pump bearing and seal kit. Vertex complete gaskets kit, including seals and O-ring kit (covers top and bottom).