800A0520 - Cylinders & Heads - Cylinder & Head 70 cc - Hand Made CYLINDER & HEAD 70 cc. Code: 800A0520Reference: EQ/AP 62943 Cast - perliteø Piston - 47.00Stroke - 39.2c.c. - 68.01Compression - 1:12C.V. ---R.P.M. ---Break Down Parts* Mahle Rings - Ring 47.00 - 830V1130* Heads - Head 70 cc - 807A0520 * Gaskets - Gasket Set - 940A0510* Gaskets - Gasket Set - 940A0520* Asso Pistons - Piston 47.00 - 824S0430* Asso Pistons - Piston 47.40 - 824S0431* Asso Pistons - Piston 47.80 - 824S0432* Asso Pistons - Piston 48.00 - 824S0433