Cylinder head gasket Ø39mm CGN for original cylinder MBK 51 motobecane av10 and av7

Cylinder head gasket for MBK 51 engine / motobecane AV10 and AV7. Made of quality aluminum, it is soft enough to properly fit the cylinder head / cylinder and remains very strong. Its thickness is 0.50mm when tightened. The price is per unit. CGN brand, quality!