800A0533 - Cylinders & Heads - Cylinder & Head 70 cc - Pro Race CYLINDER & HEAD "PRO 70" Code: 800A0533 Reference: EQ/AP 74965 Pro Cast - Ni+CSiø Piston - 47.60Stroke - 39.2c.c. - 69.76Compression - 1:15.5C.V. - 18R.P.M. - 15,000Break Down Parts* Mahle Rings - Pro Ring Gold 47.60 - 830A0530* Heads - Head Pro - 807A0533* Gaskets - Gasket Set Pro - 940A0533* Asso Pistons - Piston 47.60 A - 824A0530* Asso Pistons - Piston 47.60 B - 824A0531* Asso Pistons - Piston 47.60 C - 824A0532* Asso Pistons - Piston 47.60 D - 824A0533