1Universal Applications: 420mm steering gear shaft is suitable for go karts, ATVs, UTVs, universal for vehicle model with the right size. 2Function: Steering gear shaft transmits the power of the engine to the drive box, which is then transmitted to the axle by the drive box to drive the Atv. 3Ideal Replacement: Power steering gear shaft is used to replace the original damaged parts to get better performance on the original Atv. 4Easy Operation: Simple installation, no complicated tools required, will not damage the original accessories, saving your time and effort. 5Precise Manufacturing: Professional manufacturing, 30T steering gear shaft has high performance, strong reliability, making sure safety use.