CPI Oliver City 50cc (2005 Onwards) M7 / 110mm Cylinder Head Stud. CPI Popcorn 50cc (2003 Onwards) M7 / 110mm Cylinder Head Stud. CPI Hussar 50cc (E2) (2003 Onwards) M7 / 110mm Cylinder Head Stud. This product is suitable for the CPI Supercross SX 50.
