Fitment: For Honda GX200,For Tillotson,For Chinese Clones 160 / 200 cc Non-Hemi,Does not Fit Predator 212cc Engines. Package Includes:A Connecting Rod,26lb Valve Spring,Flywheel,Gasket kit. These springs will provide extra performance at over 7000RPM. Length and Rate Tolerance will vary from spring to spring. The flywheel is made of a stronger aluminum material,reduced resistance, higher speed, increased power, can withstand greater pressure, in the case of maintaining high speed, can also be a good control of the valve, and reduce wear, effectively reduce the fault situation，the thread design plays a better fixing role. When tightening the bolts, don't tighten them all at once. Tighten them in three stages to avoid stripping.Rod bolt torque: 150 Inch/lbs.