Pack joint for kit 50cc Ø39mm BIDALOT liquid (G2RR / G2 Racing Replica) on MBK 51 / av10 motobecane

Pack complete joint for kit 50cc BIDALOT G2 Racing Replica liquid (also called G2 RR). The pack contains 4 O-rings stud, 1 O-ring compression cylinder head, cylinder head gasket 1 circle and 1 base gasket. The pack is very high quality (fortunately for its high price). All rings are certified Viton.