1Applicable Model: 3/4in 10T clutch with 420 chain is replacement for Baja Mini Bike MB165 and MB200; replacement for Tecumseh Engines 2 to 6.5 Hp. 2High Performance: Clutch provides smooth and reliable power output during start, acceleration, and shifting. Improved clutch transmission with excellent chain design. 3Sturdy Material: The clutch and chain is made of durable metal with high hardness, wear resistance, strong rust resistance, to ensure long term stable use. 4Good Handling: The kit provides smooth and controllable handling experience,clutch and acceleration response for professional racers and everyday users. 5Perfect Matching: The clutch with 420 chain is carefully manufactured, safe and reliable, can directly replace the old or broken, is the ideal replacement.