Feature:_x000D__x000D_Made of high quality material and durable in use. _x000D_Original standard, direct replacement for the original one. _x000D_Driving engine, engine intake&exhaust valve can open or close in due time, and engine cylinder can function properly. _x000D_High performance, prolongation of service life, low cost and failure rate. _x000D_Especially designed for 4 stroke GY6 125cc/150cc 152QMI/157QMJ engines. _x000D__x000D_Specification:_x000D_Condition: Brand new_x000D_Material: Metal_x000D_Color: As picture show_x000D_Size: As picture show_x000D_Package Weight: Approx 102g_x000D_Fitment: For 4 stroke GY6 125cc/150cc 152QMI/157QMJ engines_x000D__x000D_Package Include:_x000D_1 * 90 Links Timing Chain_x000D__x000D_Note:_x000D_1. Please check the size before purchasing._x000D_2. Please allow 1-3cm error due to manual measurement. Thanks for your understanding._x000D_3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Made of high quality material and durable in use 2Original standard, direct replacement for the original one 3Driving engine, engine intake&exhaust valve can open or close in due time, and engine cylinder can function properly 4High performance, prolongation of service life, low cost and failure rate 5Especially designed for 4 stroke GY6 125cc/150cc 152QMI/157QMJ engines