Glixal ATMT1-101 GY6 125cc 150cc Scooter Moped Cam Shaft Timing Chain Tensioner for 152QMI 157QMJ ATV Quad Go Kart Durable 125cc 150cc GY6 Tensioner Bolt Hole Spacing: 42mm Used for GY6 125cc 150cc 157QMJ Based Engine Please Check Pictures and Specifications for Compatibilit