High Lifter Lift Kit For Yamaha Big Bear 400 Irs (07-12) Increases ground clearance by 2in. by itself and when combined with larger diameter tires increases of up to 5in. are possible Lowers the front A-arms similar to the design of lift kits designed for independent front suspension 4WD trucks The rear lift rotates the rear axle and raises the ATV Increases the space between the tires and fender to allow large tires to be mounted