New head gasket fits original 1968-1972 Opel 1.9L engines with ten (10) bolt style cylinder head. Premium quality, featuring a correct thickness for optimal compression, and print-seal surface design for better durability. Also includes part #6020 "o-ring." (See our part #6065-2 for 10-bolt style engines upgraded with 2.0 size pistons, and also see our #6002 Full Gasket Set).