Compatible: for 168F 170F GX110 GX120 GX160 GX200 7HP Engine Tick Automatic Belt Tensioner Pulley for ATV Go Kart Engine Designed for long life, shock resistance /p> Suitable for 20mm horizontal axis or horizontal shaft Note: The data is all measured manually, please allow 1-3cm error due to differences. Due to light and display, there may be some color difference, please refer to the actual item you received.