waverspeed go kart forward reverse gearbox kit for 2hp-13hp engine 4 stroke forward reverse gearbox 30 series torque converter #35 chain go karts accessories 212cc gearbox waverspeed <p><b>specifications</b><br /> material: metal<br /> shaft size: 5/8" with 3/16" keyway<br /> shaft size: for driven clutch is 5/8'' with 3/16'' keyway<br /> forward ratio: 1:1:3<br /> reverse ratio: 1:2:6<br /> gearbox speed: 5/13 of the clutch speed<br /> shifter cable length: 1540mm ( 5' ) ( 60'' )</p> <p><b>package contents</b><br /> 1 x forward / reverse gearbox with 3/16" keyway<br /> 2 x mounting plates<br /> 1 x shifter disc<br /> 2 x shifter cable<br /> 1 x 10t and 12t sprocket<br /> 1 x shifter assembly</p> <p><b>tips</b><br /> this product was filled with oil before leaving the factory.<br /> when the oil is used up, it needs to be filled to half of the box<br /> this go-kart gearbox is use gl-5 gear oil</p> <p><b>note</b><br /> instruction not include, professional installation is recommended<br /> if you need the insatllation instruction pls contact us</p>