Cylinder head O-ring set for kit / high engine 50cc BIDALOT Racing minarelli am6

Set of BIDALOT high quality viton O-rings for kits / high engine 50cc Ø40mm replica and racing pro. The pack is complete for the cylinder head but delivered without the exhaust and base gasket, so it contains:

-X1 Viton O-ring 45x2.5
-X8 O-ring 7x2
-X1 O-ring 22x2
-X1 O-ring 109.5x3