running malossi 70 21 mm carb dopler clutch and variator with 5.5 gram rollers.the power feels as if its doubled plus more from stock but top end is still hanging around the 55-60 mark so i want to install a gear up kit. im not to clued up about them tbh so if someone could explain to me that would be helpful. what do i need to install? a primary and secondary kit or just primary?